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A025700 Index of 3^n within sequence of numbers of form 3^i*10^j. 0
1, 2, 3, 5, 7, 10, 13, 17, 21, 26, 31, 37, 43, 50, 57, 65, 73, 82, 91, 101, 111, 122, 133, 144, 156, 168, 181, 194, 208, 222, 237, 252, 268, 284, 301, 318, 336, 354, 373, 392, 412, 432, 453, 474, 495, 517, 539, 562, 585, 609, 633, 658, 683, 709, 735, 762, 789, 817, 845, 874 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

First term different from A033638 is a(24)=144 != A033638(24)=145

LINKS

Table of n, a(n) for n=1..60.

CROSSREFS

Sequence in context: A022780 A075353 A132278 * A033638 A194205 A136413

Adjacent sequences:  A025697 A025698 A025699 * A025701 A025702 A025703

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified May 25 22:17 EDT 2019. Contains 323576 sequences. (Running on oeis4.)