A331271 - OEIS

A331271 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	21
17	16
18	17
19	18
20	19
21	20
22	31
23	21
24	22
25	23
26	41
27	24
28	25
29	26
30	27
31	32
32	51
33	28
34	29
35	30
36	31
37	61
38	42
39	32
40	33
41	34
42	71
43	35
44	36
45	52
46	37
47	38
48	81
49	43
50	39
51	40
52	62
53	41
54	91
55	42
56	43
57	53
58	44
59	72
60	45
61	46
62	47
63	63
64	82
65	48
66	49
67	54

[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,21,16,17,18, 19,20,31,21,22,23,41,24,25,26,27,32,51,28,29,30, 31,61,42,32,33,34,71,35,36,52,37,38,81,43,39,40, 62,41,91,42,43,53,44,72,45,46,47,63,82,48,49,54]

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	21
17	16
18	17
19	18
20	19
21	20
22	31
23	21
24	22
25	23
26	41
27	24
28	25
29	26
30	27
31	32
32	51
33	28
34	29
35	30
36	31
37	61
38	42
39	32
40	33
41	34
42	71
43	35
44	36
45	52
46	37
47	38
48	81
49	43
50	39
51	40
52	62
53	41
54	91
55	42
56	43
57	53
58	44
59	72
60	45
61	46
62	47
63	63
64	82
65	48
66	49
67	54

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	21
17	16
18	17
19	18
20	19
21	20
22	31
23	21
24	22
25	23
26	41
27	24
28	25
29	26
30	27
31	32
32	51
33	28
34	29
35	30
36	31
37	61
38	42
39	32
40	33
41	34
42	71
43	35
44	36
45	52
46	37
47	38
48	81
49	43
50	39
51	40
52	62
53	41
54	91
55	42
56	43
57	53
58	44
59	72
60	45
61	46
62	47
63	63
64	82
65	48
66	49
67	54

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	21
17	16
18	17
19	18
20	19
21	20
22	31
23	21
24	22
25	23
26	41
27	24
28	25
29	26
30	27
31	32
32	51
33	28
34	29
35	30
36	31
37	61
38	42
39	32
40	33
41	34
42	71
43	35
44	36
45	52
46	37
47	38
48	81
49	43
50	39
51	40
52	62
53	41
54	91
55	42
56	43
57	53
58	44
59	72
60	45
61	46
62	47
63	63
64	82
65	48
66	49
67	54