Average of Eulerian numbers (A008292) and Pascal's triangle (A007318): t(n,m) = (A008292(n,m) + A007318(n,m))/2.

A141689

Average of Eulerian numbers (A008292) and Pascal's triangle (A007318): t(n,m) = (A008292(n,m) + A007318(n,m))/2.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =7a(8) =7a(9) =1a(10) =1a(11) =15a(12) =36a(13) =15a(14) =1a(15) =1a(16) =31a(17) =156a(18) =156a(19) =31a(20) =1a(21) =1a(22) =63a(23) =603a(24) =1218a(25) =603a(26) =63a(27) =1a(28) =1a(29) =127

External references