a(n) are half the sums of the gamma coefficients of the n-th row-generating function of triangle A375853.

A376072

a(n) are half the sums of the gamma coefficients of the n-th row-generating function of triangle A375853.

Terms

    a(0) =1a(1) =4a(2) =18a(3) =68a(4) =251a(5) =888a(6) =3076a(7) =10456a(8) =35061a(9) =116252a(10) =381974a(11) =1245564a(12) =4035631a(13) =13003696a(14) =41701512a(15) =133175792a(16) =423741161a(17) =1343864820a(18) =4249518490a(19) =13402327540a(20) =42168298851a(21) =132388845224a(22) =414818381708

External references