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A209403 Convolution of primes with odd primes. 2

%I

%S 6,19,44,89,162,271,424,633,910,1275,1732,2309,3018,3859,4872,6057,

%T 7446,9051,10888,12997,15358,18011,20972,24277,27950,31991,36464,

%U 41325,46602,52367,58612,65385,72722,80651,89160,98317,108070,118535,129756,141713,154442

%N Convolution of primes with odd primes.

%H Reinhard Zumkeller, <a href="/A209403/b209403.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = sum (A000040(k) * A065091(n-k+1): k = 0..n).

%o (Haskell)

%o a209403 n = sum $

%o zipWith (*) (reverse $ take n a000040_list) a065091_list

%o (MAGMA) [&+[NthPrime(k)*NthPrime(n+1-k): k in [1..n-1]]: n in [2..40]]; // Bruno Berselli, Mar 08 2012

%Y Cf. A000040, A065091, A014342.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Mar 08 2012

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Last modified June 5 15:37 EDT 2020. Contains 334852 sequences. (Running on oeis4.)