(MAGMAMagma) [(&+[StirlingFirst(n, n-j)*Binomial(n, j): j in [0..k]]): k in [0..n], n in [0..10]]; // G. C. Greubel, Nov 26 2019
(MAGMAMagma) [(&+[StirlingFirst(n, n-j)*Binomial(n, j): j in [0..k]]): k in [0..n], n in [0..10]]; // G. C. Greubel, Nov 26 2019
reviewed
approved
proposed
reviewed
editing
proposed
Row sums are: {2, -1, -11, 59, -104, -1268, 18712, -152577, 650050, 5365931, ...}.
T(n, n) = A317274(n). - G. C. Greubel, Aug 03 2021
with(combinat); seq(seq( add(stirling2combinat[stirling1](n, n-j)*binomial(n, j), j=0..k), k=0..n), n=0..10); # G. C. Greubel, Nov 26 2019
proposed
editing
editing
proposed
Triangle T(n,k) = Sum_{j=0..k} StirlingS1Stirling1(n, n-j)*binomial(n,j), read by rows.
T(n, k) = Sum_{j=0..k} StirlingS1Stirling1(n, n-j)*binomial(n, j).
approved
editing
reviewed
approved
proposed
reviewed
editing
proposed