A159797 - OEIS

A159797 as a simple table

n	a(n)
0	0
1	1
2	1
3	2
4	3
5	4
6	3
7	5
8	7
9	9
10	4
11	7
12	10
13	13
14	16
15	5
16	9
17	13
18	17
19	21
20	25
21	6
22	11
23	16
24	21
25	26
26	31
27	36
28	7
29	13
30	19
31	25
32	31
33	37
34	43
35	49
36	8
37	15
38	22
39	29
40	36
41	43
42	50
43	57
44	64
45	9
46	17
47	25
48	33
49	41
50	49
51	57
52	65
53	73
54	81
55	10
56	19
57	28
58	37
59	46
60	55
61	64
62	73
63	82
64	91
65	100
66	11
67	21
68	31
69	41
70	51
71	61
72	71
73	81
74	91
75	101

[0,1,1,2,3,4,3,5,7,9,4,7,10,13,16,5,9,13,17,21,25, 6,11,16,21,26,31,36,7,13,19,25,31,37,43,49,8,15, 22,29,36,43,50,57,64,9,17,25,33,41,49,57,65,73,81, 10,19,28,37,46,55,64,73,82,91,100,11,21,31,41,51, 61,71,81,91,101]

n	a(n)
0	0
1	1
2	1
3	2
4	3
5	4
6	3
7	5
8	7
9	9
10	4
11	7
12	10
13	13
14	16
15	5
16	9
17	13
18	17
19	21
20	25
21	6
22	11
23	16
24	21
25	26
26	31
27	36
28	7
29	13
30	19
31	25
32	31
33	37
34	43
35	49
36	8
37	15
38	22
39	29
40	36
41	43
42	50
43	57
44	64
45	9
46	17
47	25
48	33
49	41
50	49
51	57
52	65
53	73
54	81
55	10
56	19
57	28
58	37
59	46
60	55
61	64
62	73
63	82
64	91
65	100
66	11
67	21
68	31
69	41
70	51
71	61
72	71
73	81
74	91
75	101

n	a(n)
0	0
1	1
2	1
3	2
4	3
5	4
6	3
7	5
8	7
9	9
10	4
11	7
12	10
13	13
14	16
15	5
16	9
17	13
18	17
19	21
20	25
21	6
22	11
23	16
24	21
25	26
26	31
27	36
28	7
29	13
30	19
31	25
32	31
33	37
34	43
35	49
36	8
37	15
38	22
39	29
40	36
41	43
42	50
43	57
44	64
45	9
46	17
47	25
48	33
49	41
50	49
51	57
52	65
53	73
54	81
55	10
56	19
57	28
58	37
59	46
60	55
61	64
62	73
63	82
64	91
65	100
66	11
67	21
68	31
69	41
70	51
71	61
72	71
73	81
74	91
75	101

n	a(n)
0	0
1	1
2	1
3	2
4	3
5	4
6	3
7	5
8	7
9	9
10	4
11	7
12	10
13	13
14	16
15	5
16	9
17	13
18	17
19	21
20	25
21	6
22	11
23	16
24	21
25	26
26	31
27	36
28	7
29	13
30	19
31	25
32	31
33	37
34	43
35	49
36	8
37	15
38	22
39	29
40	36
41	43
42	50
43	57
44	64
45	9
46	17
47	25
48	33
49	41
50	49
51	57
52	65
53	73
54	81
55	10
56	19
57	28
58	37
59	46
60	55
61	64
62	73
63	82
64	91
65	100
66	11
67	21
68	31
69	41
70	51
71	61
72	71
73	81
74	91
75	101