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A136792 Row sums of triangle A136791. 1
1, 4, 17, 70, 297, 1342, 6519, 34006, 189647, 1125100 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..9.

FORMULA

a(n) = 2*A005493(n) - (n+1).

EXAMPLE

a(2) = 17 = sum of row 2 terms of triangle A136791: (3 + 5 + 9).

a(2) = 17 = 2* A005493 - 3 = 2*10 - 3.

CROSSREFS

Cf. A136791, A005493.

Sequence in context: A291009 A017955 A017956 * A188482 A179606 A108929

Adjacent sequences:  A136789 A136790 A136791 * A136793 A136794 A136795

KEYWORD

nonn

AUTHOR

Gary W. Adamson, Jan 21 2008

STATUS

approved

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Last modified January 22 13:41 EST 2020. Contains 331149 sequences. (Running on oeis4.)