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%I #5 Mar 25 2022 00:33:59
%S 1,22,22,92,255,538,978,1684,3267,8350,25150,72580,178012,334564
%N A007318^2 * A007248.
%F Second binomial transform of A007248.
%e a(3) = 92 = (8, 12, 6, 1) dot (1, 20, -62, 216) = (8 + 240 - 372 + 216), where (8, 12, 6, 1) = row 3 of A007318^2 and A007248 = (1, 20, -62, 216, -641, ...).
%Y Cf. A007248.
%K nonn
%O 0,2
%A _Gary W. Adamson_, Oct 25 2007