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A025701 Index of 4^n within sequence of numbers of form 3^i*4^j. 0
1, 3, 6, 10, 16, 23, 31, 40, 51, 63, 76, 90, 106, 123, 141, 160, 181, 203, 226, 250, 276, 303, 331, 361, 392, 424, 457, 492, 528, 565, 603, 643, 684, 726, 769, 814, 860, 907, 955, 1005, 1056, 1108, 1161, 1216, 1272, 1329, 1388, 1448, 1509, 1571, 1635, 1700, 1766 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..53.

CROSSREFS

Sequence in context: A293407 A194144 A330133 * A025744 A180746 A025714

Adjacent sequences:  A025698 A025699 A025700 * A025702 A025703 A025704

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified April 8 01:57 EDT 2020. Contains 333312 sequences. (Running on oeis4.)