A020896 - OEIS

A020896 as a simple table

n	a(n)
0	2
1	31
2	33
3	64
4	211
5	242
6	244
7	275
8	486
9	781
10	992
11	1023
12	1025
13	1056
14	1267
15	2048
16	2101
17	2882
18	3093
19	3124
20	3126
21	3157
22	3368
23	4149
24	4651
25	6250
26	6752
27	7533
28	7744
29	7775
30	7777
31	7808
32	8019
33	8800
34	9031
35	10901
36	13682
37	15552
38	15783
39	15961
40	16564

[2,31,33,64,211,242,244,275,486,781,992,1023,1025, 1056,1267,2048,2101,2882,3093,3124,3126,3157,3368, 4149,4651,6250,6752,7533,7744,7775,7777,7808,8019, 8800,9031,10901,13682,15552,15783,15961,16564]