A154923 - cp's OEIS frontend

A154923 A symmetrical triangle sequence made from A154537:q(x,n)= Sum[(2m + 1)^nx^m/m!, {m, 0, Infinity}]/(Exp[x]); p(x,n)=q(x,n)+x^n*q(1/x,n); t(n,m)=coefficients(p(x,n)).

n	a(n)
0	2
1	3
2	3
3	5
4	16
5	5
6	9
7	62
8	62
9	9
10	17
11	208
12	464
13	208
14	17
15	33
16	642
17	2680
18	2680
19	642
20	33
21	65
22	1880
23	13404
24	24320
25	13404
26	1880
27	65
28	129
29	5322
30	62188
31	180488
32	180488
33	62188
34	5322
35	129
36	257
37	14752
38	280144
39	1209600
40	1858752
41	1209600
42	280144
43	14752
44	257
45	513

[2, 3, 3, 5, 16, 5, 9, 62, 62, 9, 17, 208, 464, 208, 17, 33, 642, 2680, 2680, 642, 33, 65, 1880, 13404, 24320, 13404, 1880, 65, 129, 5322, 62188, 180488, 180488, 62188, 5322, 129, 257, 14752, 280144, 1209600, 1858752, 1209600, 280144, 14752, 257, 513]

cp's OEIS Frontend

A154923 A symmetrical triangle sequence made from A154537:q(x,n)= Sum[(2m + 1)^nx^m/m!, {m, 0, Infinity}]/(Exp[x]); p(x,n)=q(x,n)+x^n*q(1/x,n); t(n,m)=coefficients(p(x,n)).

Table of values

List of values

cp's OEIS Frontend

A154923 A symmetrical triangle sequence made from A154537:q(x,n)= Sum[(2*m + 1)^n*x^m/m!, {m, 0, Infinity}]/(Exp[x]); p(x,n)=q(x,n)+x^n*q(1/x,n); t(n,m)=coefficients(p(x,n)).

Table of values

List of values

A154923 A symmetrical triangle sequence made from A154537:q(x,n)= Sum[(2m + 1)^nx^m/m!, {m, 0, Infinity}]/(Exp[x]); p(x,n)=q(x,n)+x^n*q(1/x,n); t(n,m)=coefficients(p(x,n)).