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A103952 Smallest powerful number such that a(n)-n is also powerful. 3
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 (list; graph; refs; listen; history; text; internal format)
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 A109041 A227900

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

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Last modified April 20 07:46 EDT 2021. Contains 343125 sequences. (Running on oeis4.)