A361399 - cp's OEIS frontend

A361399 a(n) is the least k such that the binary expansion of n is a self-infiltration of that of k.

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

[0, 1, 2, 1, 2, 5, 2, 3, 4, 5, 2, 5, 2, 5, 6, 3, 4, 9, 10, 5, 4, 5, 10, 11, 4, 5, 6, 5, 6, 13, 6, 7, 8, 9, 18, 9, 4, 9, 10, 11, 4, 9, 10, 5, 10, 5, 22, 11, 4, 9, 10, 5, 10, 5, 6, 11, 12, 13, 6, 13, 6, 13, 14, 7, 8, 17, 18, 9, 18, 9, 18, 19, 8, 9, 10, 19, 10, 21]

cp's OEIS Frontend

A361399 a(n) is the least k such that the binary expansion of n is a self-infiltration of that of k.

Table of values

List of values

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

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

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