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A115128 Row sums of triangle A115127. 1
3, 13, 45, 148, 486, 1618, 5478, 18841, 65692, 231713, 825386, 2964937, 10728241, 39065505, 143047469, 526399048, 1945668327, 7220164256, 26889574045, 100469991084, 376513308113, 1414840405426, 5329942273203, 20125253091226 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..25.

FORMULA

a(n)=sum(A115127(n, m), m=1..), n>=1.

CROSSREFS

Sequence in context: A058934 A141088 A187915 * A140420 A308087 A232231

Adjacent sequences:  A115125 A115126 A115127 * A115129 A115130 A115131

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Jan 13 2006

STATUS

approved

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Last modified November 24 07:10 EST 2020. Contains 338607 sequences. (Running on oeis4.)