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A014346 Exponential convolution of primes with themselves (divided by 2). 1
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 18 08:58 EDT 2021. Contains 348067 sequences. (Running on oeis4.)