A018087 Powers of fourth root of 15 rounded down.

1, 1, 3, 7, 15, 29, 58, 114, 225, 442, 871, 1714, 3375, 6641, 13071, 25724, 50625, 99629, 196069, 385863, 759375, 1494442, 2941046, 5787949, 11390625, 22416632, 44115700, 86819243, 170859375

Offset

0,3

Links

Table of n, a(n) for n=0..28.

Mathematica

Floor[Surd[15, 4]^Range[0, 30]] (* Harvey P. Dale, May 09 2014 *)

Crossrefs

Sequence in context: A023608 A218189 A132780 * A171625 A284245 A153823

Adjacent sequences: A018084 A018085 A018086 * A018088 A018089 A018090

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved