A061463 Numerator of 1 + 1/(2^2) + 1/(3^3) + ... 1/(n^n).

0, 1, 5, 139, 8923, 27891287, 753077249, 620192080073207, 40644910035811590827, 21600371677519118879091707, 67501161497474683459322666743, 19258869155079686765079369534624940189973

Offset

0,3

Links

Table of n, a(n) for n=0..11.

Example

1, 5/4, 139/108, 8923/6912,...

Maple

summ := 0; for n from 1 to 15 do printf("%d ", numer(summ)); if (1 = 1) then summ := summ + 1/n^n: end if; od;

Mathematica

Join[{0}, Accumulate[Table[1/n^n, {n, 15}]]]//Numerator (* Harvey P. Dale, Jul 26 2018 *)

Crossrefs

Cf. A061464.

Sequence in context: A103235 A188451 A362993 * A279017 A091058 A155177

Adjacent sequences: A061460 A061461 A061462 * A061464 A061465 A061466

Keyword

nonn,frac,easy

Author

Amarnath Murthy, May 04 2001

Extensions

More terms from Winston C. Yang (winston(AT)cs.wisc.edu), May 19 2001

Status

approved