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A013802
a(n) = 15^(4*n + 1).
1
15, 759375, 38443359375, 1946195068359375, 98526125335693359375, 4987885095119476318359375, 252511682940423488616943359375, 12783403948858939111232757568359375, 647159824910983792506158351898193359375
OFFSET
0,1
PROG
(Magma) [15^(4*n+1): n in [0..15]]; // Vincenzo Librandi, Jul 06 2011
(Maxima) makelist(15^(4*n+1), n, 0, 20); /* Martin Ettl, Oct 21 2012 */
CROSSREFS
Sequence in context: A129613 A248734 A259210 * A084878 A013874 A068252
KEYWORD
nonn,easy
STATUS
approved