The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A235808

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Showing entries 1-10 | older changes

A235808

Numbers n such that n^3 has one or more occurrences of exactly six different digits.
(history; published version)

#15 by Charles R Greathouse IV at Thu Sep 08 08:46:06 EDT 2022

PROG

(MAGMAMagma) [n: n in [0..300] | #Set(Intseq(n^3)) eq 6]; // Bruno Berselli, Jan 19 2014

Discussion

Thu Sep 08

08:46

OEIS Server: https://oeis.org/edit/global/2944

#14 by N. J. A. Sloane at Fri Nov 07 23:06:32 EST 2014

STATUS

proposed

approved

#13 by Chai Wah Wu at Fri Nov 07 07:29:01 EST 2014

STATUS

editing

proposed

#12 by Chai Wah Wu at Wed Nov 05 21:14:22 EST 2014

PROG

(Python)

A235808_list, m = [], [6, -6, 1, 0]

for n in range(1, 10**4+1):

....for i in range(3):

........m[i+1] += m[i]

....if len(set(str(m[-1]))) == 6:

........A235808_list.append(n) # Chai Wah Wu, Nov 05 2014

STATUS

approved

editing

#11 by Bruno Berselli at Thu Oct 30 04:57:33 EDT 2014

STATUS

reviewed

approved

#10 by Michel Marcus at Thu Oct 30 04:55:38 EDT 2014

STATUS

proposed

reviewed

#9 by Colin Barker at Wed Oct 29 15:09:15 EDT 2014

STATUS

editing

proposed

#8 by Colin Barker at Wed Oct 29 15:04:29 EDT 2014

LINKS

Colin Barker, <a href="/A235808/b235808.txt">Table of n, a(n) for n = 1..1000</a>

STATUS

approved

editing

#7 by N. J. A. Sloane at Tue Apr 29 22:49:29 EDT 2014

NAME

Numbers n such that n^3 has one or more occurrence occurrences of exactly six different digits.

Discussion

Tue Apr 29

22:49

OEIS Server: https://oeis.org/edit/global/2162

#6 by Bruno Berselli at Sun Jan 19 14:49:16 EST 2014

STATUS

editing

approved