Triangle, read by rows, where g.f.: A(x,y) = exp( Sum_{n>=1} (2^n + y)^n * x^n/n ) is a power series in x and y with integer coefficients.

A155810

Triangle, read by rows, where g.f.: A(x,y) = exp( Sum_{n>=1} (2^n + y)^n * x^n/n ) is a power series in x and y with integer coefficients.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =10a(4) =6a(5) =1a(6) =188a(7) =82a(8) =14a(9) =1a(10) =16774a(11) =4452a(12) =490a(13) =30a(14) =1a(15) =6745436a(16) =1074934a(17) =71108a(18) =2602a(19) =62a(20) =1a(21) =11466849412a(22) =1082704500a(23) =43173414a(24) =951300a(25) =13002a(26) =126a(27) =1a(30) =104251164804a(31) =1387446246

External references