

A154878


Numbers whose trajectory under iteration of sum of cubes of digits eventually turns out to be 370


0



7, 19, 34, 37, 43, 58, 67, 70, 85, 88, 91, 109, 118, 124, 139, 142, 145, 148, 154, 157, 166, 169, 175, 178, 181, 184, 187, 190, 193, 196
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OFFSET

1,1


COMMENTS

All the numbers are of the form 3n+1. The iteration halts at 370 because 370 itself is equal to the sum of its digits cube.


LINKS



EXAMPLE

Taking 34 as example, 3^3+4^3=91, 9^3+1=730, 7^3+3^3+0^3=370


CROSSREFS



KEYWORD

nonn,base


AUTHOR

Avik Roy (avik_3.1416(AT)yahoo.co.in), Jan 16 2009


STATUS

approved



