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A047062 T(n,n), array T as in A047060. 0
1, 1, 2, 7, 23, 90, 320, 1140, 4212, 15681, 59494, 226011, 859677, 3286694, 12608860, 48581465, 187672103, 726310530, 2816361088, 10939570172, 42566233786, 165873471046, 647192471794, 2528064630944, 9885452991956 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

CROSSREFS

Sequence in context: A150342 A124190 A176578 * A150343 A150344 A150345

Adjacent sequences:  A047059 A047060 A047061 * A047063 A047064 A047065

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 15 05:43 EDT 2019. Contains 328026 sequences. (Running on oeis4.)