id:A027467 - OEIS Search Results

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4th power of the lower triangular normalized Binomial matrix.

+0
4

1, 15, 1, 225, 30, 1, 3375, 675, 45, 1, 50625, 13500, 1350, 60, 1, 759375, 253125, 33750, 2250, 75, 1, 11390625, 4556250, 759375, 67500, 3375, 90, 1, 170859375, 79734375, 15946875, 1771875, 118125, 4725, 105, 1, 2562890625, 1366875000 (list; table; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Numerators of lower triangle of (a[ i, j ])^4 where a[ i, j ] = Binomial(i-1, j-1)/2^(i-1) if j<=i, 0 if j>i`
	CROSSREFS	`Cf. A007318.` `Adjacent sequences: A027464 A027465 A027466 this_sequence A027468 A027469 A027470` `Sequence in context: A131514 A049327 A030527 this_sequence A049375 A049224 A027448`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Olivier Gerard (ogerard(AT)ext.jussieu.fr)`

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Last modified May 22 15:55 EDT 2008. Contains 140006 sequences.

AT&T Labs Research