The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A175527 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
newer changes | Showing entries 11-20 | older changes

A175527

Digit sum of 13^n.
(history; published version)

#13 by Michel Marcus at Fri Nov 01 17:05:12 EDT 2013

FORMULA

a(n) = A007953(A001022(n)). - Michel Marcus, Nov 01 2013

PROG

(PARI) a(n) = sumdigits(13^n); \\ Michel Marcus, Nov 01 2013

CROSSREFS

Cf. sum of digits of k^n: A001370 (k=2), A004166 (k=3), A065713 (k=4), A066001 (k=5), A066002 (k=6), A066003 (k=7), A066004 (k=8), A065999 (k=9), A066005 (k=11), A066006 (k=12), this sequence (k=13).

STATUS

approved

editing

#12 by Alois P. Heinz at Tue Oct 08 08:18:31 EDT 2013

STATUS

proposed

approved

#11 by Vincenzo Librandi at Tue Oct 08 05:26:13 EDT 2013

STATUS

editing

proposed

#10 by Vincenzo Librandi at Tue Oct 08 05:26:04 EDT 2013

LINKS

Vincenzo Librandi, <a href="/A175527/b175527.txt">Table of n, a(n) for n = 0..1000</a>

STATUS

approved

editing

#9 by Russ Cox at Fri Mar 30 16:51:57 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com), _, Dec 03 2010

Discussion

Fri Mar 30

16:51

OEIS Server: https://oeis.org/edit/global/110

#8 by N. J. A. Sloane at Fri Dec 03 17:19:51 EST 2010

STATUS

proposed

approved

#7 by N. J. A. Sloane at Fri Dec 03 17:19:48 EST 2010

CROSSREFS

Cf. A001022, A175528, A175525.

STATUS

approved

proposed

#6 by N. J. A. Sloane at Fri Dec 03 17:19:08 EST 2010

STATUS

proposed

approved

#5 by N. J. A. Sloane at Fri Dec 03 17:19:05 EST 2010

MATHEMATICA

Table[Total[IntegerDigits[13^k]], {k, 0, 1000}]

STATUS

approved

proposed

#4 by N. J. A. Sloane at Fri Dec 03 15:45:30 EST 2010

STATUS

proposed

approved