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 A162476 Expansion of (1/(1-x))*c(x/(1-x)^4), c(x) the g.f. of A000108. 4
 1, 2, 8, 39, 205, 1136, 6548, 38882, 236260, 1462131, 9184413, 58408588, 375330536, 2433325315, 15896742423, 104546968252, 691608993478, 4599024778431, 30724413312953, 206114347293697, 1387917616331135, 9377747277136328 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Partial sums are A162477. Partial sums of A162475. LINKS Table of n, a(n) for n=0..21. FORMULA G.f.: 1/(1-x-x/((1-x)^3-x/(1-x-x/((1-x)^3-x/(1-x-x/((1-x)^3-x/(1-... (continued fraction); a(n) = Sum_{k=0..n} C(n+3k,n-k)*A000108(k). (n+1)*(2*n-3)*a(n) -(4*n-3)*(4*n-5)*a(n-1) +3*(4*n^2-14*n+11)*a(n-2) +(-8*n^2+40*n-27)*a(n-3) +(2*n-1)*(n-6)*a(n-4) = 0. - R. J. Mathar, Nov 15 2011 CROSSREFS Sequence in context: A077324 A112737 A206901 * A366049 A218321 A236339 Adjacent sequences: A162473 A162474 A162475 * A162477 A162478 A162479 KEYWORD easy,nonn AUTHOR Paul Barry, Jul 04 2009 STATUS approved

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Last modified September 12 15:43 EDT 2024. Contains 375853 sequences. (Running on oeis4.)