A124373 - cp's OEIS frontend

A124373 O.g.f.: A(x) = Sum_{n>=0} x^n / Product_{k=0..n} (1 - k(k+1)/2x).

n	a(n)
0	1
1	1
2	2
3	6
4	25
5	135
6	909
7	7417
8	71698
9	806968
10	10427825
11	152915697
12	2519879761
13	46276398129
14	940296067422
15	21007099850230
16	513172107841525
17	13640345170943527
18	392780078386164389
19	12204609567437300313
20	407757149671568266678
21	14600807659376773500696

[1, 1, 2, 6, 25, 135, 909, 7417, 71698, 806968, 10427825, 152915697, 2519879761, 46276398129, 940296067422, 21007099850230, 513172107841525, 13640345170943527, 392780078386164389, 12204609567437300313, 407757149671568266678, 14600807659376773500696]

cp's OEIS Frontend

A124373 O.g.f.: A(x) = Sum_{n>=0} x^n / Product_{k=0..n} (1 - k(k+1)/2x).

Table of values

List of values

cp's OEIS Frontend

A124373 O.g.f.: A(x) = Sum_{n>=0} x^n / Product_{k=0..n} (1 - k*(k+1)/2*x).

Table of values

List of values

A124373 O.g.f.: A(x) = Sum_{n>=0} x^n / Product_{k=0..n} (1 - k(k+1)/2x).