A239796 - OEIS

A239796 as a simple table

n	a(n)
1	-6
2	17
3	54
4	105
5	170
6	249
7	342
8	449
9	570
10	705
11	854
12	1017
13	1194
14	1385
15	1590
16	1809
17	2042
18	2289
19	2550
20	2825
21	3114
22	3417
23	3734
24	4065
25	4410
26	4769
27	5142
28	5529
29	5930
30	6345
31	6774
32	7217
33	7674
34	8145
35	8630
36	9129
37	9642
38	10169
39	10710
40	11265
41	11834
42	12417
43	13014
44	13625
45	14250
46	14889
47	15542
48	16209
49	16890

[-6,17,54,105,170,249,342,449,570,705,854,1017, 1194,1385,1590,1809,2042,2289,2550,2825,3114,3417, 3734,4065,4410,4769,5142,5529,5930,6345,6774,7217, 7674,8145,8630,9129,9642,10169,10710,11265,11834, 12417,13014,13625,14250,14889,15542,16209,16890]