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A010758 Sum along upward diagonal of Pascal triangle from (but not including) halfway point. 0
0, 0, 1, 2, 1, 3, 7, 14, 11, 25, 51, 97, 92, 189, 365, 674, 709, 1383, 2587, 4685, 5270, 9955, 18228, 32551, 38403, 70954, 127921, 226007, 276408, 502415, 895103, 1568062, 1972851, 3540913, 6249235, 10871723, 13996408, 24868131, 43551364, 75326395 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..39.

FORMULA

a(n) = Sum_{k = 1 + floor(n/4)..n} binomial(n - k, k). - Sean A. Irvine, Jun 09 2018

CROSSREFS

Cf. A007318.

Sequence in context: A063509 A137766 A294620 * A259419 A019224 A298096

Adjacent sequences:  A010755 A010756 A010757 * A010759 A010760 A010761

KEYWORD

nonn

AUTHOR

R. K. Guy

STATUS

approved

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Last modified April 14 12:11 EDT 2021. Contains 342949 sequences. (Running on oeis4.)