Convolution of (shifted) A026671 with A000984 (central binomial coefficients of even order).
A054441
Convolution of (shifted) A026671 with A000984 (central binomial coefficients of even order).
Terms
- a(0) =0a(1) =1a(2) =5a(3) =23a(4) =103a(5) =455a(6) =1993a(7) =8679a(8) =37633a(9) =162643a(10) =701075a(11) =3015563a(12) =12948083a(13) =55513327a(14) =237705547a(15) =1016736115a(16) =4344766607a(17) =18550920063a(18) =79149527249a(19) =337482635279
External references
- oeis: A054441