A030282 COMPOSE primes with natural numbers.

2, 7, 23, 75, 242, 772, 2430, 7529, 22941, 68801, 203488, 594994, 1724242, 4963041, 14213111, 40540661, 115235882, 326470662, 921780312, 2593408123, 7269728291, 20302519239, 56493171410, 156652350614, 433009258768

Offset: 1

Author

Christian G. Bower

Keywords

• nonn
• nice

Links

• N. J. A. Sloane, Transforms

Crossrefs

Cf. A030281.

Formula

G.f.: Sum_{k>=1} prime(k)*x^k/(1 - x)^(2*k). - Ilya Gutkovskiy, Apr 21 2019