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A115128
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Row sums of triangle A115127.
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1
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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; internal format)
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