Numerators of partial sums of a convergent series with value 4, involving scaled Catalan numbers A000108.

A119951

Numerators of partial sums of a convergent series with value 4, involving scaled Catalan numbers A000108.

Terms

    a(0) =1a(1) =3a(2) =29a(3) =65a(4) =281a(5) =595a(6) =9949a(7) =20613a(8) =84883a(9) =173965a(10) =1421113a(11) =2894229a(12) =11762641a(13) =23859587a(14) =773201629a(15) =1564082093a(16) =6321150767a(17) =12761711209a(18) =102977321267a(19) =207595672639a(20) =836499257311

External references