The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A295089

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A295089

a(n) = 3*n^2 + n + 3.
(history; published version)

#35 by Harvey P. Dale at Sun Dec 02 11:57:33 EST 2018

STATUS

editing

approved

#34 by Harvey P. Dale at Sun Dec 02 11:57:30 EST 2018

LINKS

<a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (3, -3, 1).

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approved

editing

#33 by N. J. A. Sloane at Wed Dec 27 02:10:46 EST 2017

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proposed

approved

#32 by Michel Marcus at Fri Dec 15 12:50:27 EST 2017

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editing

proposed

#31 by Michel Marcus at Fri Dec 15 12:50:17 EST 2017

PROG

(PARI) a(n) = 3*n^2 + n + 3; \\ Michel Marcus, Dec 15 2017

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proposed

editing

#30 by Robert G. Wilson v at Wed Nov 29 17:03:11 EST 2017

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editing

proposed

#29 by Robert G. Wilson v at Wed Nov 29 16:58:52 EST 2017

MATHEMATICA

LinearRecurrence[{3, -3, 1}, {3, 7, 17}, 52] (* or *)

CoefficientList[Series[-(5 x^2 - 2 x + 3)/(x - 1)^3, {x, 0, 51}], x] (* Robert G. Wilson v, Nov 29 2017 *)

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proposed

editing

#28 by Jon E. Schoenfield at Fri Nov 17 00:41:27 EST 2017

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editing

proposed

#27 by Jon E. Schoenfield at Fri Nov 17 00:41:10 EST 2017

COMMENTS

Numbers represented as the palindrome 313 in number base n including base n=1, base 2 (binary) and base 3 with 'illegal' digit 3: 313(_1)=7, 313(_2)=17, 313(_3)=33, ... 313(_9)=255, 313(_10)=313, ...

EXAMPLE

313 in base 7 is 3*7^2 + 1*7 + 3 = 157.

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proposed

editing

#26 by Michael De Vlieger at Wed Nov 15 22:05:31 EST 2017

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editing

proposed