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%I #7 Feb 28 2014 09:18:38
%S 1,2,4,548,9420,3852,34864,19084,15296,154560176,7180221844,887102780,
%T 211332046788,71893259484,20454788424,5986072942766808,
%U 5988933869570752,22285488224,2756032824242080,17677170921656,679436626785756,20936052371230100988
%N Row sums of triangle A178473.
%C Conjecture. If prime p==1 (mod 4), then a((p-1)/4)==2 (mod p); if prime p==3 (mod 4), then a((p-1)/2)==2 (mod p).
%Y Cf. A202941, A202917, A203269, A203278, A203484, A178473, A203498.
%K nonn
%O 0,2
%A _Vladimir Shevelev_ and _Peter J. C. Moses_, Jan 02 2012
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