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A072495 k-morphic numbers for any k such that (k-1)/10 is an even integer not divisible by 10. 4
2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 16, 17, 19, 21, 23, 24, 25, 27, 28, 29, 31, 32, 33, 36, 37, 39, 43, 44, 47, 48, 49, 51, 52, 53, 56, 57, 59, 61, 63, 64, 67, 68, 69, 71, 72, 73, 75, 76, 77, 79, 81, 83, 84, 87, 88, 89, 91, 92, 93, 96, 97, 99, 101, 107, 125, 143 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Definition: n is a k-morphic number if n^k ends with n

3-morphic numbers = 7-morphic numbers, see A033819; 5-morphic numbers = 13-morphic numbers, see A068407.

LINKS

Table of n, a(n) for n=1..67.

PROG

(PARI) k=21; for(n=1, 10000, if((n^k)%(10^ceil(log(n)/log(10))) == n; print1(n, ", ")))

CROSSREFS

Cf. A072496.

Sequence in context: A317589 A141807 A246422 * A257671 A285523 A126968

Adjacent sequences:  A072492 A072493 A072494 * A072496 A072497 A072498

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Oct 19 2002

STATUS

approved

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Last modified February 20 06:26 EST 2019. Contains 320332 sequences. (Running on oeis4.)