A030282 - OEIS

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A030282

COMPOSE primes with natural numbers.

1

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

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..25.

N. J. A. Sloane, Transforms

FORMULA

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

CROSSREFS

Sequence in context: A064686 A083313 A077832 * A291015 A273345 A042575

Adjacent sequences: A030279 A030280 A030281 * A030283 A030284 A030285

KEYWORD

nonn,nice

AUTHOR

Christian G. Bower

STATUS

approved