Worpitzky(n, k)*Harmonic(k), triangle read by rows.

Terms

a(0) =0a(1) =0a(2) =1a(3) =0a(4) =3a(5) =3a(6) =0a(7) =7a(8) =18a(9) =11a(10) =0a(11) =15a(12) =75a(13) =110a(14) =50a(15) =0a(16) =31a(17) =270a(18) =715a(19) =750a(20) =274a(21) =0a(22) =63a(23) =903a(24) =3850a(25) =7000a(26) =5754a(27) =1764a(28) =0a(29) =127