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A049827 a(n)=T(2n-1,n)+T(2n,n+1)+...+T(3n-3,2n-2)=sum over a period of n-th diagonal of array T given by A049816. 0
0, 1, 3, 6, 8, 13, 13, 20, 22, 25, 27, 38, 32, 45, 45, 46, 50, 63, 59, 74, 64, 71, 77, 96 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..24.

CROSSREFS

Sequence in context: A288218 A212984 A006048 * A186736 A072107 A084578

Adjacent sequences:  A049824 A049825 A049826 * A049828 A049829 A049830

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 22 23:14 EST 2020. Contains 332157 sequences. (Running on oeis4.)