A173151 - OEIS

A173151 as a simple table

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	4
6	5
7	6
8	7
9	9
10	10
11	12
12	13
13	16
14	17
15	20
16	21
17	25
18	26
19	30
20	31
21	36
22	37
23	42
24	43
25	49
26	50
27	56
28	57
29	64
30	65
31	72
32	73
33	81
34	82
35	90
36	91
37	100
38	101
39	110
40	111
41	121
42	122
43	132
44	133
45	144
46	145
47	156
48	157
49	169
50	170

[1,1,2,2,3,4,5,6,7,9,10,12,13,16,17,20,21,25,26, 30,31,36,37,42,43,49,50,56,57,64,65,72,73,81,82, 90,91,100,101,110,111,121,122,132,133,144,145,156, 157,169,170]

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	4
6	5
7	6
8	7
9	9
10	10
11	12
12	13
13	16
14	17
15	20
16	21
17	25
18	26
19	30
20	31
21	36
22	37
23	42
24	43
25	49
26	50
27	56
28	57
29	64
30	65
31	72
32	73
33	81
34	82
35	90
36	91
37	100
38	101
39	110
40	111
41	121
42	122
43	132
44	133
45	144
46	145
47	156
48	157
49	169
50	170

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	4
6	5
7	6
8	7
9	9
10	10
11	12
12	13
13	16
14	17
15	20
16	21
17	25
18	26
19	30
20	31
21	36
22	37
23	42
24	43
25	49
26	50
27	56
28	57
29	64
30	65
31	72
32	73
33	81
34	82
35	90
36	91
37	100
38	101
39	110
40	111
41	121
42	122
43	132
44	133
45	144
46	145
47	156
48	157
49	169
50	170

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	4
6	5
7	6
8	7
9	9
10	10
11	12
12	13
13	16
14	17
15	20
16	21
17	25
18	26
19	30
20	31
21	36
22	37
23	42
24	43
25	49
26	50
27	56
28	57
29	64
30	65
31	72
32	73
33	81
34	82
35	90
36	91
37	100
38	101
39	110
40	111
41	121
42	122
43	132
44	133
45	144
46	145
47	156
48	157
49	169
50	170