A215248 - OEIS

A215248 as a simple table

n	a(n)
1	4
2	10
3	16
4	20
5	26
6	56
7	110
8	116
9	170
10	224
11	236
12	314
13	326
14	340
15	430
16	584
17	700
18	764
19	920
20	946
21	1054
22	1106
23	1276
24	1294
25	1406
26	1546
27	1550
28	1654
29	1684
30	1700
31	1756
32	1766
33	1784
34	1816
35	2006
36	2026
37	2116
38	2260
39	2294
40	2314
41	2320
42	2360
43	2576
44	2600
45	2684
46	2746
47	2770
48	2924

[4,10,16,20,26,56,110,116,170,224,236,314,326,340, 430,584,700,764,920,946,1054,1106,1276,1294,1406, 1546,1550,1654,1684,1700,1756,1766,1784,1816,2006, 2026,2116,2260,2294,2314,2320,2360,2576,2600,2684, 2746,2770,2924]