A277981 - OEIS

A277981 as a simple table

n	a(n)
0	-20
1	2
2	32
3	70
4	116
5	170
6	232
7	302
8	380
9	466
10	560
11	662
12	772
13	890
14	1016
15	1150
16	1292
17	1442
18	1600
19	1766
20	1940
21	2122
22	2312
23	2510
24	2716
25	2930
26	3152
27	3382
28	3620
29	3866
30	4120
31	4382
32	4652
33	4930
34	5216
35	5510
36	5812
37	6122
38	6440
39	6766
40	7100
41	7442
42	7792
43	8150

[-20,2,32,70,116,170,232,302,380,466,560,662,772, 890,1016,1150,1292,1442,1600,1766,1940,2122,2312, 2510,2716,2930,3152,3382,3620,3866,4120,4382,4652, 4930,5216,5510,5812,6122,6440,6766,7100,7442,7792, 8150]