A376447 a(n) = Sum_{k=1..n} binomial(n*(m+1)-m*k-1, n-k)*k/(n*m-(m-1)*k), for m=7.
1, 1, 2, 11, 113, 1472, 21375, 330905, 5348380, 89188027, 1522999490, 26497322726, 468008534344, 8369663126451, 151250089239576, 2757670822707609, 50665739960395844, 937090326420476362, 17433799590092921578, 326028128575350241133, 6125291348509146395197
Offset: 0
Keywords
Links
- Vaclav Kotesovec, Recurrence of order 8.
Crossrefs
Programs
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Mathematica
Join[{1}, With[{m=7}, Table[Sum[Binomial[n*(m+1)-m*k-1, n-k]*k/(n*m-(m-1)*k), {k, 1, n}], {n, 1, 20}]]]