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A188427
Position of 5^n in A051037 (5-smooth numbers).
4
1, 5, 16, 37, 72, 125, 198, 295, 419, 574, 764, 991, 1259, 1572, 1931, 2342, 2808, 3332, 3918, 4569, 5288, 6078, 6943, 7887, 8913, 10024, 11224, 12515, 13902, 15387, 16975, 18668, 20470, 22385, 24416, 26567, 28840, 31239, 33768, 36429, 39226, 42164, 45244, 48470, 51846, 55375, 59061, 62907, 66917, 71094, 75441
OFFSET
0,2
FORMULA
A051037(a(n)) = 5^n.
a(n) ~ c * n^3, where c = log(5)^2/(6*log(2)*log(3)) = 0.566927196003501... - Vaclav Kotesovec and Amiram Eldar, Sep 22 2024
CROSSREFS
Cf. A051037, A188425, A188426 (powers of 2 and 3).
Sequence in context: A264552 A128848 A274248 * A022496 A372403 A296536
KEYWORD
nonn
AUTHOR
Zak Seidov, Mar 31 2011
STATUS
approved