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%I #13 Mar 05 2023 15:42:38
%S 1,2,10,70,5830,61542,8074762,97909318,15564141262,35751803209918,
%T 484316704740126,1275478863649106070,252697549582862416198,
%U 3589806968644540547902,735944382229592689247902
%N (C(2p,p)-2)/p^2 where p runs through the primes.
%H Harry J. Smith, <a href="/A060842/b060842.txt">Table of n, a(n) for n=1,...,100</a>
%F a(n) = A177454(n)/A000040(n). - _R. J. Mathar_, Jan 09 2017
%t Table[(Binomial[2p,p]-2)/p^2,{p,Prime[Range[20]]}] (* _Harvey P. Dale_, Mar 05 2023 *)
%o (PARI) { n=0; forprime (p=2, prime(100), write("b060842.txt", n++, " ", (binomial(2*p, p) - 2)/p^2); ) } \\ _Harry J. Smith_, Jul 19 2009
%K nonn
%O 1,2
%A _Benoit Cloitre_, Feb 13 2003
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