A074310 Digital sum of n = sum of palindromes from the smallest prime factor of n to the largest prime factor of n.

2, 3, 5, 7, 75, 209, 589, 2401, 7429, 7938, 8671, 15876, 20480, 24696, 36288, 39690, 47628, 48384, 49392, 55566, 56448, 60401, 68107, 72576, 74088, 78750, 79380, 81648, 83317, 84672, 86436, 89401, 91854, 95256, 108864, 112896, 129654, 142884

Offset

1,1

Links

Table of n, a(n) for n=1..38.

Crossrefs

Sequence in context: A090717 A090715 A029976 * A264576 A356981 A070275

Adjacent sequences: A074307 A074308 A074309 * A074311 A074312 A074313

Keyword

base,nonn

Author

Jason Earls, Sep 19 2002

Extensions

More terms from Giovanni Resta, Feb 06 2006

Status

approved