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A049948 a(n)=a(1)+a(2)+...+a(n-1)+a(m), where m=2n-3-2^(p+1) and 2^p<n-1<=2^(p+1). 0
1, 2, 1, 5, 10, 20, 40, 89, 208, 377, 754, 1517, 3064, 6296, 13138, 28586, 67246, 121355, 242710, 485429, 970888, 1941944, 3884434, 7771178, 15552430, 31158968, 62493400, 125714978, 254343502, 520355000, 1087650970, 2367152042 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..32.

CROSSREFS

Sequence in context: A226308 A226309 A226311 * A222574 A222680 A110352

Adjacent sequences:  A049945 A049946 A049947 * A049949 A049950 A049951

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 22 14:10 EST 2014. Contains 252364 sequences.