Numerators of coefficients in Taylor series expansion of sqrt(m(x)) where m(x) is g.f. for Motzkin numbers A001006.
A261421
Numerators of coefficients in Taylor series expansion of sqrt(m(x)) where m(x) is g.f. for Motzkin numbers A001006.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =25a(4) =427a(5) =1911a(6) =18051a(7) =87945a(8) =3518515a(9) =17943211a(10) =185961113a(11) =976288495a(12) =20727407743a(13) =111039591475
External references
- oeis: A261421