A259990 This sequence and A259991 are base-14 analogs of A007185 and A016090, written in base 10.

7, 49, 2401, 2401, 386561, 5764801, 58471553, 374712065, 4802079233, 149429406721, 1595702681601, 42091354378241, 665724390506497, 10190301669556225, 99086356274020353, 1654767311852142593, 14722487338708369409, 228161914444026740737, 2789435039707847196673

Offset

1,1

Comments

See Schut (1991) for precise definition.

Ignoring repetitions, the subsequence of A201919 of terms ending in 7 in base 14. - Eric M. Schmidt, Jul 18 2015

References

C. P. Schut, Idempotents. Report AM-R9101, Centrum voor Wiskunde en Informatica, Amsterdam, 1991.

Links

Eric M. Schmidt, Table of n, a(n) for n = 1..500

Prog

(Sage) def a(n) : return crt(1, 0, 2^n, 7^n) # Eric M. Schmidt, Jul 18 2015

Crossrefs

Cf. A007185, A016090, A201919, A259986-A259991.

Sequence in context: A047899 A229041 A263247 * A061585 A202782 A067214

Adjacent sequences: A259987 A259988 A259989 * A259991 A259992 A259993

Keyword

nonn,base

Author

N. J. A. Sloane, Jul 13 2015

Extensions

More terms from Eric M. Schmidt, Jul 18 2015

Status

approved