A056636 - OEIS

A056636 as a simple table

n	a(n)
0	2
1	12
2	68
3	128
4	152
5	188
6	332
7	398
8	398
9	488
10	632
11	692
12	692
13	992
14	992
15	992
16	1112
17	1112
18	1412
19	1412
20	1448
21	1718
22	1718
23	1718
24	1718
25	2048
26	2252
27	2252
28	2672
29	2672
30	2672
31	2936
32	2936
33	2936
34	2978
35	3092
36	3092
37	3218
38	3272
39	3296
40	3632
41	3632
42	3754
43	4022
44	4058
45	4412

[2,12,68,128,152,188,332,398,398,488,632,692,692, 992,992,992,1112,1112,1412,1412,1448,1718,1718, 1718,1718,2048,2252,2252,2672,2672,2672,2936,2936, 2936,2978,3092,3092,3218,3272,3296,3632,3632,3754, 4022,4058,4412]