id:A064714 - OEIS Search Results

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Define q(0)=1, q(1)=1, q(2)=1, q(n)=q(abs(n-q(n-2)))+q(abs(n-q(n-3))) (A063892); then a(0) = 1, a(n)=a(n-1)+2*(q(n)-n/2), n > 0.

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1, 2, 2, 3, 7, 14, 18, 17, 15, 24, 26, 23, 25, 36, 40, 35, 33, 36, 50, 63, 63, 66, 68, 77, 81, 98, 98, 105, 93, 92, 110, 131, 137, 128, 110, 121, 129, 138, 124, 119, 115, 130, 158, 167, 155, 154, 176, 223, 219, 182, 152, 173, 259, 278, 266, 261, 271, 296, 304, 303 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`a[0] = q[0] = q[1] = q[2] = 1; q[n_] := q[n] = q[Abs[n - q[n - 2]]] + q[Abs[n - q[n - 3]]]; a[n_] := a[n] = a[n - 1] + 2*(q[n] - n/2); Table[a[n], {n, 0, 70} ]`
	CROSSREFS	`Cf. A063892, A064552.` `Sequence in context: A109277 A093437 A060357 this_sequence A002848 A032257 A038075` `Adjacent sequences: A064711 A064712 A064713 this_sequence A064715 A064716 A064717`
	KEYWORD	`easy,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 13 2001`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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