The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A306285

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A306285

Numbers congruent to 4 or 21 mod 26.
(history; published version)

#33 by Alois P. Heinz at Fri Sep 09 22:26:09 EDT 2022

STATUS

editing

approved

#32 by Alois P. Heinz at Fri Sep 09 22:26:06 EDT 2022

FORMULA

a(n) = a(n-1) + a(n-2) - a(n-3) for n>3. (End)

(End)

STATUS

approved

editing

#31 by Alois P. Heinz at Fri Sep 09 22:25:42 EDT 2022

STATUS

proposed

approved

#30 by David Lovler at Fri Sep 09 20:33:05 EDT 2022

STATUS

editing

proposed

#29 by David Lovler at Fri Sep 09 00:00:34 EDT 2022

FORMULA

E.g.f.: 5 + (13*x - 7)*exp(x) + 2*exp(-x). - David Lovler, Sep 09 2022

STATUS

approved

editing

#28 by Georg Fischer at Sat Feb 16 04:53:47 EST 2019

STATUS

reviewed

approved

#27 by Michel Marcus at Sat Feb 16 02:19:21 EST 2019

STATUS

proposed

reviewed

Discussion

Sat Feb 16

04:53

Georg Fischer: b-file looks ok.

#26 by Davis Smith at Fri Feb 15 18:49:55 EST 2019

STATUS

editing

proposed

#25 by Davis Smith at Fri Feb 15 18:49:09 EST 2019

COMMENTS

A020639(A007310(a(n)+1) = 5 when n is congruent to 2 or 9 (mod 10) (n is a term in A273669). It equals 7 when n is congruent to 3 or 12 (mod 14) but not congruent to 2 or 9 (mod 10). It equals 11 when n is congruent to 4 or 19 (mod 22) but not congruent to 2 or 9 (mod 10) and not congruent to 3 or 12 (mod 14). Otherwise, it is 13.

CROSSREFS

Cf. A007310, A010720, A020639, A010873, A273669.

STATUS

proposed

editing

#24 by Davis Smith at Thu Feb 14 20:13:44 EST 2019

STATUS

editing

proposed