A129866 a(n+1) is the smallest integer greater than a(n) such that the sum of the cubes of its decimal digits is equal to a(n).

1, 10, 112, 111112234

Offset

0,2

Comments

The fifth term starts with "12226" followed by 152417 digits equal to "9".

Links

Table of n, a(n) for n=0..3.

Example

10 --> 1^3+0^3 = 1+0 =1; 112 --> 1^3+1^3+2^3 = 1+1+8 = 10; 111112234 --> 1^3+1^3+1^3+1^3+1^3+2^3+2^3+3^3+4^3 = 1+1+1+1+1+8+8+27+64 = 112.

Crossrefs

Cf. A126973.

Sequence in context: A298074 A181042 A263370 * A024130 A176824 A196983

Adjacent sequences: A129863 A129864 A129865 * A129867 A129868 A129869

Keyword

nonn,base

Author

Paolo P. Lava and Giorgio Balzarotti, May 24 2007

Status

approved