A137894 - OEIS

A137894 as a simple table

n	a(n)
1	1
2	3
3	3
4	4
5	7
6	9
7	7
8	12
9	9
10	10
11	11
12	17
13	13
14	21
15	21
16	16
17	17
18	27
19	19
20	38
21	21
22	33
23	23
24	24
25	25
26	39
27	27
28	28
29	41
30	30
31	31
32	48
33	33
34	51
35	49
36	51
37	37
38	57
39	39
40	40
41	41
42	63
43	43
44	44
45	63
46	69
47	47
48	72
49	49
50	75
51	51
52	52
53	53
54	81
55	77
56	84
57	57
58	78
59	59
60	90
61	61
62	93
63	63
64	64
65	91
66	99
67	67
68	68
69	69
70	99

[1,3,3,4,7,9,7,12,9,10,11,17,13,21,21,16,17,27,19, 38,21,33,23,24,25,39,27,28,41,30,31,48,33,51,49, 51,37,57,39,40,41,63,43,44,63,69,47,72,49,75,51, 52,53,81,77,84,57,78,59,90,61,93,63,64,91,99,67, 68,69,99]

n	a(n)
1	1
2	3
3	3
4	4
5	7
6	9
7	7
8	12
9	9
10	10
11	11
12	17
13	13
14	21
15	21
16	16
17	17
18	27
19	19
20	38
21	21
22	33
23	23
24	24
25	25
26	39
27	27
28	28
29	41
30	30
31	31
32	48
33	33
34	51
35	49
36	51
37	37
38	57
39	39
40	40
41	41
42	63
43	43
44	44
45	63
46	69
47	47
48	72
49	49
50	75
51	51
52	52
53	53
54	81
55	77
56	84
57	57
58	78
59	59
60	90
61	61
62	93
63	63
64	64
65	91
66	99
67	67
68	68
69	69
70	99

n	a(n)
1	1
2	3
3	3
4	4
5	7
6	9
7	7
8	12
9	9
10	10
11	11
12	17
13	13
14	21
15	21
16	16
17	17
18	27
19	19
20	38
21	21
22	33
23	23
24	24
25	25
26	39
27	27
28	28
29	41
30	30
31	31
32	48
33	33
34	51
35	49
36	51
37	37
38	57
39	39
40	40
41	41
42	63
43	43
44	44
45	63
46	69
47	47
48	72
49	49
50	75
51	51
52	52
53	53
54	81
55	77
56	84
57	57
58	78
59	59
60	90
61	61
62	93
63	63
64	64
65	91
66	99
67	67
68	68
69	69
70	99

n	a(n)
1	1
2	3
3	3
4	4
5	7
6	9
7	7
8	12
9	9
10	10
11	11
12	17
13	13
14	21
15	21
16	16
17	17
18	27
19	19
20	38
21	21
22	33
23	23
24	24
25	25
26	39
27	27
28	28
29	41
30	30
31	31
32	48
33	33
34	51
35	49
36	51
37	37
38	57
39	39
40	40
41	41
42	63
43	43
44	44
45	63
46	69
47	47
48	72
49	49
50	75
51	51
52	52
53	53
54	81
55	77
56	84
57	57
58	78
59	59
60	90
61	61
62	93
63	63
64	64
65	91
66	99
67	67
68	68
69	69
70	99