A283311 a(n) = (A054377(n) - 6)/36.

0, 1, 50, 1307, 61513956, 1458205461, 235845043987769122519632535030

Offset

2,3

Links

Table of n, a(n) for n=2..8.

J. Sondow and K. MacMillan, Primary pseudoperfect numbers, arithmetic progressions, and the Erdős-Moser equation, Amer. Math. Monthly, 124 (2017) 232-240; arXiv:math/1812.06566 [math.NT], 2018.

Crossrefs

Cf. A054377.

Sequence in context: A162205 A162492 A017713 * A031602 A231743 A140520

Adjacent sequences: A283308 A283309 A283310 * A283312 A283313 A283314

Keyword

nonn,more

Author

N. J. A. Sloane, Mar 07 2017

Status

approved