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COMPOSE primes with natural numbers.
1

%I #9 Apr 22 2019 18:06:09

%S 2,7,23,75,242,772,2430,7529,22941,68801,203488,594994,1724242,

%T 4963041,14213111,40540661,115235882,326470662,921780312,2593408123,

%U 7269728291,20302519239,56493171410,156652350614,433009258768

%N COMPOSE primes with natural numbers.

%H N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>

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

%Y Cf. A030281.

%K nonn,nice

%O 1,1

%A _Christian G. Bower_