A103952 Smallest powerful number such that a(n)-n is also powerful.

9, 27, 4, 8, 9, 214375, 8, 9, 25, 2197, 27, 16, 49, 30459375, 16, 25, 25, 27, 27, 36, 25, 49, 27, 25, 125, 27, 36, 32, 225, 6889, 32, 36, 49, 899236854961, 36, 72, 64, 1369, 64, 49, 49, 518436000667, 243, 108, 49, 289, 72, 49, 81, 675, 100, 196, 125, 81, 64, 64

Offset

1,1

Comments

Sister sequence of a(n)-n is given by A076444.

a(110) > 10^22. - Donovan Johnson, Nov 19 2011

Links

Donovan Johnson, Table of n, a(n) for n = 1..109

Formula

a(n) = A076444(n)+n

Crossrefs

Cf. A076444, A074954.

Sequence in context: A256927 A135864 A074954 * A103955 A359531 A365933

Adjacent sequences: A103949 A103950 A103951 * A103953 A103954 A103955

Keyword

nonn

Author

Max Alekseyev, Feb 22 2005

Extensions

Offset corrected by Donovan Johnson, Nov 19 2011

Status

approved