A000468 Powers of ten written in base 8. (Formerly M4870 N2085)

1, 12, 144, 1750, 23420, 303240, 3641100, 46113200, 575360400, 7346545000, 112402762000, 1351035564000, 16432451210000, 221411634520000, 2657142036440000, 34327724461500000, 434157115760200000, 5432127413542400000, 67405553164731000000, 1053071060221172000000

Offset

0,2

References

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 1017.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

T. D. Noe, Table of n, a(n) for n = 0..100

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].

Mathematica

FromDigits/@IntegerDigits[10^Range[0, 20], 8] (* Harvey P. Dale, Apr 08 2012 *)

Prog

(PARI) a(n)=fromdigits(digits(10^n, 8)) \\ Charles R Greathouse IV, Feb 08 2017
(Python)
def a(n): return int(oct(10**n)[2:])
print([a(n) for n in range(20)]) # Michael S. Branicky, Jan 12 2021

Crossrefs

Sequence in context: A001021 A159490 A245853 * A076728 A123237 A143248

Adjacent sequences: A000465 A000466 A000467 * A000469 A000470 A000471

Keyword

nonn,base,easy,nice

Author

N. J. A. Sloane

Extensions

More terms from James A. Sellers, Jul 05 2000

Status

approved