id:A131107 - OEIS Search Results

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Rectangular array read by antidiagonals: k objects are each put into one of n boxes, independently with equal probability. a(n, k) is the expected number of boxes with exactly one object (n, k >= 1). Sequence gives the denominators.

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1, 1, 1, 1, 1, 1, 1, 3, 4, 1, 1, 2, 3, 2, 1, 1, 5, 16, 27, 16, 1, 1, 3, 25, 16, 81, 16, 1, 1, 7, 12, 125, 256, 81, 64, 1, 1, 4, 49, 54, 125, 512, 729, 16, 1, 1, 9, 64, 343, 1296, 3125, 4096, 2187, 256, 1, 1, 5, 27, 128, 2401, 1296, 15625, 2048, 729, 256, 1, 1, 11, 100, 729, 4096 (list; table; graph; listen)

	OFFSET	`1,8`
	CROSSREFS	`Cf. A131106 gives the numerators.` `Sequence in context: A058022 A139344 A137925 this_sequence A046547 A016453 A158572` `Adjacent sequences: A131104 A131105 A131106 this_sequence A131108 A131109 A131110`
	KEYWORD	`easy,frac,nonn,tabl`
	AUTHOR	`David Wasserman (dwasserm(AT)earthlink.net), Jun 15 2007`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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