A158844 - OEIS

A158844 as a simple table

n	a(n)
1	20
2	31
3	35
4	39
5	44
6	99
7	135
8	139
9	155
10	164
11	200
12	211
13	271
14	275
15	284
16	340
17	359
18	360
19	404
20	416
21	424
22	444
23	484
24	496
25	511
26	564
27	596
28	611
29	640
30	676
31	724
32	800
33	836
34	859
35	860
36	871
37	876
38	884
39	919
40	940
41	944
42	951
43	971
44	976
45	995
46	1000
47	1004
48	1064
49	1116
50	1131
51	1144
52	1159

[20,31,35,39,44,99,135,139,155,164,200,211,271, 275,284,340,359,360,404,416,424,444,484,496,511, 564,596,611,640,676,724,800,836,859,860,871,876, 884,919,940,944,951,971,976,995,1000,1004,1064, 1116,1131,1144,1159]