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A047068 T(n,n+3), array T as in A047060. 0
1, 3, 7, 12, 30, 127, 574, 3240, 12980, 51381, 213637, 866922, 3562509, 14354285, 57298765, 228921419, 912494572, 3639947154, 14493582693, 57604953252, 228802279985, 908249501738, 3604924550020, 14304563293997, 56742981599768 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..24.

CROSSREFS

Sequence in context: A007626 A193297 A240738 * A167490 A081533 A096856

Adjacent sequences:  A047065 A047066 A047067 * A047069 A047070 A047071

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 16 12:40 EST 2018. Contains 317272 sequences. (Running on oeis4.)