login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A101861
n*(n+5)*(50+45*n+n^2)/24.
2
24, 84, 194, 369, 625, 979, 1449, 2054, 2814, 3750, 4884, 6239, 7839, 9709, 11875, 14364, 17204, 20424, 24054, 28125, 32669, 37719, 43309, 49474, 56250, 63674, 71784, 80619, 90219, 100625, 111879, 124024, 137104, 151164, 166250, 182409
OFFSET
1,1
COMMENTS
Essentially the partial sums of A101860.
5th partial summation within series as series accumulate n times from an initial sequence of Euler Triangle's row 4: 1,11,11,1: 5th row of the array in the examples of A101860.
FORMULA
G.f. x*(x-2)*(x^2-12*x+12) / (x-1)^5 . - R. J. Mathar, Dec 06 2011
CROSSREFS
Sequence in context: A045946 A192838 A289155 * A280304 A168538 A007201
KEYWORD
easy,nonn
AUTHOR
Cecilia Rossiter (cecilia(AT)noticingnumbers.net), Dec 18 2004
STATUS
approved