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A025733
Index of 8^n within sequence of numbers of form 8^i*10^j.
0
1, 2, 4, 7, 11, 16, 22, 29, 37, 46, 56, 66, 77, 89, 102, 116, 131, 147, 164, 182, 201, 220, 240, 261, 283, 306, 330, 355, 381, 408, 436, 464, 493, 523, 554, 586, 619, 653, 688, 724, 761, 799, 837, 876, 916, 957, 999, 1042, 1086, 1131, 1177, 1224, 1271, 1319, 1368
OFFSET
1,2
CROSSREFS
Sequence in context: A070280 A025707 A337919 * A025716 A254835 A025725
KEYWORD
nonn
STATUS
approved