A107600 - OEIS

A107600 as a simple table

n	a(n)
9	1
10	18
11	101
12	357
13	978
14	2274
15	4711
16	8954
17	15915
18	26806
19	43197
20	67079
21	100932
22	147798
23	211359
24	296020
25	406997
26	550410
27	733381
28	964137
29	1252118
30	1608090
31	2044263
32	2574414
33	3214015
34	3980366
35	4892733
36	5972491
37	7243272
38	8731118
39	10464639

[1,18,101,357,978,2274,4711,8954,15915,26806, 43197,67079,100932,147798,211359,296020,406997, 550410,733381,964137,1252118,1608090,2044263, 2574414,3214015,3980366,4892733,5972491,7243272, 8731118,10464639]