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A026745 Sum{T(i,j)}, 0<=i<=n, 0<=j<=n, T given by A026736. 0
1, 3, 7, 15, 32, 66, 139, 285, 599, 1227, 2577, 5277, 11075, 22671, 47543, 97287, 203860, 417006, 873175, 1785513, 3736210, 7637604, 15972143, 32641221, 68224004, 139389570, 291199307, 594818781, 1242097912, 2536656174 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..29.

CROSSREFS

Sequence in context: A066175 A132978 A117079 * A139333 A099444 A132402

Adjacent sequences:  A026742 A026743 A026744 * A026746 A026747 A026748

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 18 15:05 EDT 2019. Contains 322209 sequences. (Running on oeis4.)