A014346 Exponential convolution of primes with themselves (divided by 2).

2, 6, 19, 59, 181, 541, 1583, 4455, 12213, 32113, 82631, 206709, 510681, 1245343, 3004575, 7200705, 17049021, 40140981, 93678375, 216274577, 496470625, 1128356231, 2544413119, 5704402931, 12712869673, 28191681427, 62282778949, 137195275297, 300840332783

Offset

0,1

Links

Alois P. Heinz, Table of n, a(n) for n = 0..1000

Formula

a(n) = A014345(n)/2.

Crossrefs

Cf. A014345.

Sequence in context: A067675 A037512 A111277 * A183188 A118364 A294500

Adjacent sequences: A014343 A014344 A014345 * A014347 A014348 A014349

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved