Numerators of coefficients in expansion of sqrt( 1 + x + 2*x^2 + 3*x^3 + 4*x^4 + ... ).

A364703

Numerators of coefficients in expansion of sqrt( 1 + x + 2*x^2 + 3*x^3 + 4*x^4 + ... ).

Terms

    a(0) =1a(1) =1a(2) =7a(3) =17a(4) =139a(5) =263a(6) =995a(7) =1969a(8) =32371a(9) =66635a(10) =268121a(11) =527959a(12) =4146719a(13) =8259235a(14) =33398491a(15) =67666673a(16) =2171753923a(17) =4309377779a(18) =17069564957a(19) =34059684283a(20) =274173644357a(21) =552586858969

External references