A044031 - OEIS

A044031 as a simple table

n	a(n)
1	56
2	65
3	156
4	165
5	256
6	265
7	356
8	365
9	456
10	465
11	556
12	569
13	659
14	665
15	756
16	765
17	856
18	865
19	956
20	965
21	1056
22	1065
23	1156
24	1165
25	1256
26	1265
27	1356
28	1365
29	1456
30	1465
31	1556
32	1569
33	1659
34	1665
35	1756
36	1765
37	1856
38	1865
39	1956
40	1965
41	2056

[56,65,156,165,256,265,356,365,456,465,556,569, 659,665,756,765,856,865,956,965,1056,1065,1156, 1165,1256,1265,1356,1365,1456,1465,1556,1569,1659, 1665,1756,1765,1856,1865,1956,1965,2056]