A369478 - cp's OEIS frontend

A369478 Expansion of (1/x) * Series_Reversion( x / ((1+x)^2 * (1+x+x^2)^2) ).

n	a(n)
0	1
1	4
2	24
3	170
4	1320
5	10868
6	93197
7	823484
8	7445184
9	68545882
10	640446224
11	6057249180
12	57878746750
13	557903174040
14	5418441862824
15	52971933934834
16	520869559359424
17	5147999004530720
18	51113415228327827
19	509583784051748692
20	5099262428810825568

[1, 4, 24, 170, 1320, 10868, 93197, 823484, 7445184, 68545882, 640446224, 6057249180, 57878746750, 557903174040, 5418441862824, 52971933934834, 520869559359424, 5147999004530720, 51113415228327827, 509583784051748692, 5099262428810825568]

cp's OEIS Frontend

A369478 Expansion of (1/x) * Series_Reversion( x / ((1+x)^2 * (1+x+x^2)^2) ).

Table of values

List of values