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 A236964 Column 3 of triangle A236961. 3
 1, 4, 34, 412, 6333, 116768, 2498414, 60678776, 1646370324, 49304407416, 1614242231610, 57334041759484, 2194946060935833, 90082535627196868, 3944898781246389318, 183589807833908851744, 9047581726126772883962, 470671514968767824048292 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS EXAMPLE G.f.: A(x) = x + 4*x^2 + 34*x^3 + 412*x^4 + 6333*x^5 + 116768*x^6 +... Triangle A236961 begins: 1; 1, 1; 4, 2, 1; 27, 11, 3, 1; 256, 94, 21, 4, 1; 3125, 1076, 217, 34, 5, 1; 46656, 15362, 2910, 412, 50, 6, 1; 823543, 262171, 47598, 6333, 695, 69, 7, 1; ... such that column 0 equals A236961(n,0) = n^n. Triangle A236961 transforms diagonals in the table of coefficients in the iterations of G(x), the g.f. of A236960, that starts as: G(x) = x + x^2 + 2*x^3 + 5*x^4 + 16*x^5 + 79*x^6 + 720*x^7 + 10735*x^8 + 211802*x^9 + 4968491*x^10 + 132655760*x^11 + 3943593218*x^12 +... CROSSREFS Cf. A236960, A236961, A236962, A236963. Sequence in context: A141007 A207570 A158839 * A145349 A309170 A052630 Adjacent sequences:  A236961 A236962 A236963 * A236965 A236966 A236967 KEYWORD nonn AUTHOR Paul D. Hanna, Feb 10 2014 STATUS approved

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Last modified February 25 05:47 EST 2020. Contains 332220 sequences. (Running on oeis4.)