Shanks's array c_{a,n} (a >= 1, n >= 0) that generalizes Euler and class numbers, read by antidiagonals upwards.

A235605

Shanks's array c_{a,n} (a >= 1, n >= 0) that generalizes Euler and class numbers, read by antidiagonals upwards.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =5a(6) =1a(7) =8a(8) =57a(9) =61a(10) =2a(11) =16a(12) =352a(13) =2763a(14) =1385a(15) =2a(16) =30a(17) =1280a(18) =38528a(19) =250737a(20) =50521a(21) =1a(22) =46a(23) =3522a(24) =249856a(25) =7869952a(26) =36581523a(27) =2702765a(28) =2a(29) =64

External references