A140496 a(n) = p - number of digits of p^4, where p = n-th prime.

0, 1, 2, 3, 6, 8, 12, 13, 17, 23, 25, 30, 34, 36, 40, 46, 51, 53, 59, 63, 65, 71, 75, 81, 89, 92, 94, 98, 100, 104, 118, 122, 128, 130, 140, 142, 148, 154, 158, 164, 169, 171, 181, 183, 187, 189, 201, 213, 217, 219, 223, 229, 231, 241, 247, 253, 259, 261, 267, 271

Offset

1,3

Links

Table of n, a(n) for n=1..60.

Mathematica

Table[Prime[n]-IntegerLength[Prime[n]^4], {n, 60}] (* Harvey P. Dale, Nov 10 2017 *)

Crossrefs

Sequence in context: A276586 A280094 A025053 * A308843 A086552 A098393

Adjacent sequences: A140493 A140494 A140495 * A140497 A140498 A140499

Keyword

nonn,base

Author

Juri-Stepan Gerasimov, Jul 24 2008

Extensions

104 inserted, 163 replaced by 164, 181 inserted and extended by R. J. Mathar, Sep 13 2008

Status

approved