Search: id:A161361 Results 1-1 of 1 results found. %I A161361 %S A161361 1,372,29250,134120,54261375,6139293372,854279148734,128813964933000, %T A161361 20657907916144515,3469030105750871000,603760629237519966018, %U A161361 108124880417607682194048,19820541224206810447813500 %V A161361 1,372,29250,-134120,54261375,-6139293372,854279148734,-128813964933000, %W A161361 20657907916144515,-3469030105750871000,603760629237519966018, %X A161361 -108124880417607682194048,19820541224206810447813500 %N A161361 Convolution square root of A000521 %C A161361 Triangle A161362 = the corresponding convolution triangle with row sums = A000521. %F A161361 Given A000521: (j = 1/q + 744 + 196884q + 21493760q^2 + 864299970q^3 + ...); multiply by q and take the convolution square root. %e A161361 a(2) = 29250 = 1/2 * (A000521(2) - 372^2) = 1/2 * (196884 - 138384) = 29250. %Y A161361 Cf. A000521, A161362 %Y A161361 Sequence in context: A051182 A161362 A004021 this_sequence A139659 A142395 A142921 %Y A161361 Adjacent sequences: A161358 A161359 A161360 this_sequence A161362 A161363 A161364 %K A161361 sign %O A161361 0,2 %A A161361 Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 07 2009 %E A161361 More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 15 2009 %E A161361 Keyword:sign introduced by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 07 2009 Search completed in 0.001 seconds