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 A078939 Fourth power of lower triangular matrix of A056857 (successive equalities in set partitions of n). 16
 1, 4, 1, 20, 8, 1, 116, 60, 12, 1, 756, 464, 120, 16, 1, 5428, 3780, 1160, 200, 20, 1, 42356, 32568, 11340, 2320, 300, 24, 1, 355636, 296492, 113988, 26460, 4060, 420, 28, 1, 3188340, 2845088, 1185968, 303968, 52920, 6496, 560, 32, 1, 30333492, 28695060 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS First column gives A078944. Row sums are given by A078945. LINKS FORMULA Exponential function of 4*Pascal's triangle (taken as a lower triangular matrix) divided by e^4: [A078939] = (1/e^4)*exp(4*[A007318]) = [A056857]^4. EXAMPLE Rows: {1}, {4,1}, {20,8,1}, {116,60,12,1}, {756,464,120,16,1}, ... CROSSREFS Cf. A056857, A078937, A078938, A078944, A078945. Sequence in context: A185420 A167432 A201639 * A135891 A049459 A143493 Adjacent sequences:  A078936 A078937 A078938 * A078940 A078941 A078942 KEYWORD nonn,tabl AUTHOR Paul D. Hanna, Dec 18 2002 STATUS approved

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Last modified October 19 03:34 EDT 2019. Contains 328211 sequences. (Running on oeis4.)