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A097415 Values of n such that the first digit of 2^n is a 9. +0
1
53, 63, 73, 83, 93, 156, 166, 176, 186, 249, 259, 269, 279, 289, 352, 362, 372, 382, 445, 455, 465, 475, 485, 548, 558, 568, 578, 641, 651, 661, 671, 734, 744, 754, 764, 774, 837, 847, 857, 867, 930, 940, 950, 960, 970, 1033, 1043, 1053, 1063, 1126 (list; graph; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Gelfand's Question

CROSSREFS

Adjacent sequences: A097412 A097413 A097414 this_sequence A097416 A097417 A097418

Sequence in context: A075587 A102635 A036268 this_sequence A061946 A039531 A115936

KEYWORD

nonn,base

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Aug 16, 2004

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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