A374296 - OEIS

A374296 as a simple table

n	a(n)
3	3
4	16
5	43
6	93
7	178
8	309
9	500
10	769
11	1133
12	1612
13	2228
14	3005
15	3969
16	5147
17	6570
18	8268
19	10275
20	12627
21	15360
22	18514
23	22130
24	26250
25	30921
26	36187
27	42099
28	48707
29	56063
30	64221
31	73239
32	83174
33	94087
34	106039
35	119095
36	133320
37	148782
38	165551
39	183699
40	203299

[3,16,43,93,178,309,500,769,1133,1612,2228,3005, 3969,5147,6570,8268,10275,12627,15360,18514,22130, 26250,30921,36187,42099,48707,56063,64221,73239, 83174,94087,106039,119095,133320,148782,165551, 183699,203299]