A265570 - OEIS

A265570 as a simple table

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	9
10	18
11	18
12	18
13	18
14	18
15	18
16	18
17	18
18	18
19	27
20	27
21	27
22	27
23	27
24	27
25	27
26	27
27	27
28	36
29	36
30	36
31	36
32	36
33	36
34	36
35	36
36	36
37	45
38	45
39	45
40	45
41	45
42	45
43	45
44	45
45	45
46	54
47	54
48	54
49	54
50	54
51	54
52	54
53	54
54	54
55	63
56	63
57	63
58	63
59	63
60	63
61	63
62	63
63	63
64	65
65	65
66	73
67	73
68	73
69	73
70	73
71	73
72	73
73	73
74	81
75	81
76	81
77	81
78	81
79	81
80	81
81	81

[0,1,2,3,4,5,6,7,9,9,18,18,18,18,18,18,18,18,18, 27,27,27,27,27,27,27,27,27,36,36,36,36,36,36,36, 36,36,45,45,45,45,45,45,45,45,45,54,54,54,54,54, 54,54,54,54,63,63,63,63,63,63,63,63,63,65,65,73, 73,73,73,73,73,73,73,81,81,81,81,81,81,81,81]

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	9
10	18
11	18
12	18
13	18
14	18
15	18
16	18
17	18
18	18
19	27
20	27
21	27
22	27
23	27
24	27
25	27
26	27
27	27
28	36
29	36
30	36
31	36
32	36
33	36
34	36
35	36
36	36
37	45
38	45
39	45
40	45
41	45
42	45
43	45
44	45
45	45
46	54
47	54
48	54
49	54
50	54
51	54
52	54
53	54
54	54
55	63
56	63
57	63
58	63
59	63
60	63
61	63
62	63
63	63
64	65
65	65
66	73
67	73
68	73
69	73
70	73
71	73
72	73
73	73
74	81
75	81
76	81
77	81
78	81
79	81
80	81
81	81

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	9
10	18
11	18
12	18
13	18
14	18
15	18
16	18
17	18
18	18
19	27
20	27
21	27
22	27
23	27
24	27
25	27
26	27
27	27
28	36
29	36
30	36
31	36
32	36
33	36
34	36
35	36
36	36
37	45
38	45
39	45
40	45
41	45
42	45
43	45
44	45
45	45
46	54
47	54
48	54
49	54
50	54
51	54
52	54
53	54
54	54
55	63
56	63
57	63
58	63
59	63
60	63
61	63
62	63
63	63
64	65
65	65
66	73
67	73
68	73
69	73
70	73
71	73
72	73
73	73
74	81
75	81
76	81
77	81
78	81
79	81
80	81
81	81

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	9
10	18
11	18
12	18
13	18
14	18
15	18
16	18
17	18
18	18
19	27
20	27
21	27
22	27
23	27
24	27
25	27
26	27
27	27
28	36
29	36
30	36
31	36
32	36
33	36
34	36
35	36
36	36
37	45
38	45
39	45
40	45
41	45
42	45
43	45
44	45
45	45
46	54
47	54
48	54
49	54
50	54
51	54
52	54
53	54
54	54
55	63
56	63
57	63
58	63
59	63
60	63
61	63
62	63
63	63
64	65
65	65
66	73
67	73
68	73
69	73
70	73
71	73
72	73
73	73
74	81
75	81
76	81
77	81
78	81
79	81
80	81
81	81