A181361 Sum of cubes of digits of Fibonacci(n).

1, 1, 8, 27, 125, 512, 28, 9, 91, 250, 1241, 129, 62, 713, 217, 1584, 1198, 709, 578, 900, 1010, 689, 1204, 1035, 601, 793, 1523, 885, 935, 611, 1261, 1620, 1204, 1843, 1493, 981, 1397, 2726, 1897, 378, 1045, 2314, 1409, 1317, 1193, 1541, 1585, 2556, 2749

Offset

1,3

Links

Table of n, a(n) for n=1..49.

Formula

a(n) = A055012(A000045(n)). - Michel Marcus, Jul 18 2013

Example

a(11) = 1241 since Fib(11) = 89 and 8^3+9^3 = 512+729 = 1241.

Mathematica

Total[IntegerDigits[#]^3]&/@Fibonacci[Range[50]] (* Harvey P. Dale, Mar 25 2012 *)

Crossrefs

Cf. A000045, sum of digits A004090, sum of squared digits A181357.

Sequence in context: A030078 A051751 A133042 * A056570 A343318 A165048

Adjacent sequences: A181358 A181359 A181360 * A181362 A181363 A181364

Keyword

nonn,base

Author

Carmine Suriano, Oct 15 2010

Status

approved