A254542 - OEIS

A254542 as a simple table

n	a(n)
1	2
2	20
3	45
4	160
5	222
6	576
7	1026
8	1849
9	2461
10	4195
11	5217
12	8052
13	11098
14	15300
15	18210
16	25269
17	29296
18	38791
19	48468
20	60634
21	68591
22	87149
23	104149
24	126729
25	149195
26	177607
27	196492
28	236417
29	258581
30	301770
31	345756
32	398586
33	452724
34	522973
35	563863
36	640216

[2,20,45,160,222,576,1026,1849,2461,4195,5217, 8052,11098,15300,18210,25269,29296,38791,48468, 60634,68591,87149,104149,126729,149195,177607, 196492,236417,258581,301770,345756,398586,452724, 522973,563863,640216]