A062158 - OEIS

A062158 as a simple table

n	a(n)
0	-1
1	0
2	5
3	20
4	51
5	104
6	185
7	300
8	455
9	656
10	909
11	1220
12	1595
13	2040
14	2561
15	3164
16	3855
17	4640
18	5525
19	6516
20	7619
21	8840
22	10185
23	11660
24	13271
25	15024
26	16925
27	18980
28	21195
29	23576
30	26129
31	28860
32	31775
33	34880
34	38181
35	41684
36	45395
37	49320
38	53465
39	57836
40	62439
41	67280
42	72365
43	77700
44	83291
45	89144
46	95265
47	101660

[-1,0,5,20,51,104,185,300,455,656,909,1220,1595, 2040,2561,3164,3855,4640,5525,6516,7619,8840, 10185,11660,13271,15024,16925,18980,21195,23576, 26129,28860,31775,34880,38181,41684,45395,49320, 53465,57836,62439,67280,72365,77700,83291,89144, 95265,101660]

[-1,0,5,20,51,104,185,300,455,656,909,1220,1595,
 2040,2561,3164,3855,4640,5525,6516,7619,8840,
 10185,11660,13271,15024,16925,18980,21195,23576,
 26129,28860,31775,34880,38181,41684,45395,49320,
 53465,57836,62439,67280,72365,77700,83291,89144,
 95265,101660]