id:A034859 - OEIS Search Results

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C(n+3,4)+3*C(n+1,3)+5*C(n-1,2)+7*n-15, n >= 2.

+0
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1, 10, 38, 93, 180, 308, 487, 728, 1043, 1445, 1948, 2567, 3318, 4218, 5285, 6538, 7997, 9683, 11618, 13825, 16328, 19152, 22323, 25868, 29815, 34193, 39032, 44363, 50218, 56630, 63633, 71262, 79553 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`J. Riordan, Enumeration of trees by height and diameter, IBM J. Res. Dev. 4 (1960), 473-478.`
	CROSSREFS	`Sequence in context: A129426 A065009 A031430 this_sequence A136840 A027982 A064603` `Adjacent sequences: A034856 A034857 A034858 this_sequence A034860 A034861 A034862`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research