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A151615 Row sums of A057282. 1
2, 22, 360, 7880, 216240, 7124880, 273463680 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

MAPLE

# read in A057282 as list called s1

f:=n->add(s1[i], i=n*(n-1)/2+1..n*(n+1)/2); [seq(f(n), n=1..7)];

CROSSREFS

Sequence in context: A279619 A245113 A078232 * A111985 A265860 A138463

Adjacent sequences:  A151612 A151613 A151614 * A151616 A151617 A151618

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 29 2009

STATUS

approved

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Last modified July 23 17:22 EDT 2021. Contains 346259 sequences. (Running on oeis4.)