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A144281 Row sums of triangle A144280 (called S2hat(-3)). 1
1, 4, 25, 265, 3793, 70789, 1600429, 42811078, 1316981794, 45858363502, 1781106761686, 76349861206627, 3579325969675135, 182170488961796899, 10002072131444031160, 589261706147357617009, 37076870479319887575253, 2481442922857293505594237 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
a(n)=sum(A144280(n,m),m=1..n), n>=1.
CROSSREFS
Sequence in context: A071896 A065740 A308008 * A361589 A320569 A058791
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang Oct 09 2008
STATUS
approved

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Last modified June 1 11:27 EDT 2023. Contains 363068 sequences. (Running on oeis4.)