Triangle read by rows, 3^k*S_3(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0.

A225466

Triangle read by rows, 3^k*S_3(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =21a(5) =9a(6) =8a(7) =117a(8) =135a(9) =27a(10) =16a(11) =609a(12) =1431a(13) =702a(14) =81a(15) =32a(16) =3093a(17) =13275a(18) =12015a(19) =3240a(20) =243a(21) =64a(22) =15561a(23) =115479a(24) =171990a(25) =81405a(26) =13851a(27) =729a(28) =128a(29) =77997

External references