A270335 - OEIS

A270335 as a simple table

n	a(n)
0	1
1	6
2	18
3	38
4	70
5	102
6	166
7	218
8	322
9	382
10	534
11	642
12	842
13	1018
14	1286
15	1522
16	1850
17	2110
18	2562
19	2854
20	3374
21	3762
22	4418
23	4898
24	5682
25	6198
26	7106
27	7754
28	8850
29	9574
30	10778
31	11694
32	12934
33	13934
34	15386
35	16474
36	18006
37	19322
38	21114
39	22482
40	24458
41	26094
42	28302
43	30034

[1,6,18,38,70,102,166,218,322,382,534,642,842, 1018,1286,1522,1850,2110,2562,2854,3374,3762,4418, 4898,5682,6198,7106,7754,8850,9574,10778,11694, 12934,13934,15386,16474,18006,19322,21114,22482, 24458,26094,28302,30034]