A104882 - OEIS

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A104882

Diagonal sums of number triangle A104881.

1, 1, 2, 3, 5, 8, 14, 24, 45, 85, 170, 351, 749, 1656, 3758, 8776, 21013, 51473, 129018, 329939, 860901, 2288528, 6192526, 17047248, 47693661, 135554549, 391099370, 1144867871, 3398656893, 10226072720, 31173964942, 96240485104, 300777706053 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`a(n)=sum{k=0..floor(n/2), sum{j=0..k, (n-2k)^(k-j)}}.`
	CROSSREFS	`Sequence in context: A079500 A108296 A072100 * A091956 A107480 A128021` `Adjacent sequences: A104879 A104880 A104881 * A104883 A104884 A104885`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 28 2005`

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Last modified February 15 03:59 EST 2012. Contains 205694 sequences.