A138369 - OEIS

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A138369 as a simple table

n	a(n)
2	0
3	2
4	2
5	3
6	4
7	4
8	6
9	6
10	7
11	8
12	10
13	12
14	13
15	14
16	14
17	16
18	17
19	18
20	19
21	19
22	23
23	25
24	26
25	28
26	27
27	29
28	31
29	31
30	33
31	35
32	37
33	38
34	38
35	39
36	40
37	41
38	41
39	42
40	42
41	45
42	45
43	48
44	50
45	51
46	51
47	52
48	54
49	54
50	55
51	56
52	57
53	57
54	61
55	65
56	66
57	67
58	68
59	69
60	70
61	71
62	71
63	72
64	73
65	72
66	75
67	75
68	76
69	77
70	77
71	78
72	79
73	80
74	81
75	81
76	83

[0,2,2,3,4,4,6,6,7,8,10,12,13,14,14,16,17,18,19, 19,23,25,26,28,27,29,31,31,33,35,37,38,38,39,40, 41,41,42,42,45,45,48,50,51,51,52,54,54,55,56,57, 57,61,65,66,67,68,69,70,71,71,72,73,72,75,75,76, 77,77,78,79,80,81,81,83]

n	a(n)
2	0
3	2
4	2
5	3
6	4
7	4
8	6
9	6
10	7
11	8
12	10
13	12
14	13
15	14
16	14
17	16
18	17
19	18
20	19
21	19
22	23
23	25
24	26
25	28
26	27
27	29
28	31
29	31
30	33
31	35
32	37
33	38
34	38
35	39
36	40
37	41
38	41
39	42
40	42
41	45
42	45
43	48
44	50
45	51
46	51
47	52
48	54
49	54
50	55
51	56
52	57
53	57
54	61
55	65
56	66
57	67
58	68
59	69
60	70
61	71
62	71
63	72
64	73
65	72
66	75
67	75
68	76
69	77
70	77
71	78
72	79
73	80
74	81
75	81
76	83

n	a(n)
2	0
3	2
4	2
5	3
6	4
7	4
8	6
9	6
10	7
11	8
12	10
13	12
14	13
15	14
16	14
17	16
18	17
19	18
20	19
21	19
22	23
23	25
24	26
25	28
26	27
27	29
28	31
29	31
30	33
31	35
32	37
33	38
34	38
35	39
36	40
37	41
38	41
39	42
40	42
41	45
42	45
43	48
44	50
45	51
46	51
47	52
48	54
49	54
50	55
51	56
52	57
53	57
54	61
55	65
56	66
57	67
58	68
59	69
60	70
61	71
62	71
63	72
64	73
65	72
66	75
67	75
68	76
69	77
70	77
71	78
72	79
73	80
74	81
75	81
76	83

n	a(n)
2	0
3	2
4	2
5	3
6	4
7	4
8	6
9	6
10	7
11	8
12	10
13	12
14	13
15	14
16	14
17	16
18	17
19	18
20	19
21	19
22	23
23	25
24	26
25	28
26	27
27	29
28	31
29	31
30	33
31	35
32	37
33	38
34	38
35	39
36	40
37	41
38	41
39	42
40	42
41	45
42	45
43	48
44	50
45	51
46	51
47	52
48	54
49	54
50	55
51	56
52	57
53	57
54	61
55	65
56	66
57	67
58	68
59	69
60	70
61	71
62	71
63	72
64	73
65	72
66	75
67	75
68	76
69	77
70	77
71	78
72	79
73	80
74	81
75	81
76	83