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A050192 a(n)=a(n-1)+a(n-2)-d, where d=a(n/2) if n is even, else d=0; 2 initial terms. 0
1, 0, 1, 1, 2, 2, 4, 5, 9, 12, 21, 31, 52, 79, 131, 205, 336, 532, 868, 1388, 2256, 3623, 5879, 9471, 15350, 24769, 40119, 64809, 104928, 169606, 274534, 443935, 718469, 1162068, 1880537, 3042073, 4922610, 7963815, 12886425 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..39.

CROSSREFS

Sequence in context: A088518 A001224 A102526 * A191786 A007147 A230380

Adjacent sequences:  A050189 A050190 A050191 * A050193 A050194 A050195

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 18 16:24 EST 2018. Contains 318229 sequences. (Running on oeis4.)