A335967 - cp's OEIS frontend

A335967 Irregular table read by rows; if the binary representation of n encodes the last row of a tiling of a staircase polyomino, then the n-th row contains the numbers k whose binary representation encode possible penultimate rows.

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

[0, 1, 1, 2, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 5, 6, 5, 4, 5, 6, 7, 8, 9, 10, 11, 10, 9, 10, 13, 14, 8, 9, 10, 11, 12, 13, 14, 15, 10, 13, 11, 12, 11, 10, 8, 9, 10, 11, 9, 10, 13, 12, 13, 14, 15, 16, 17, 18, 19, 18, 21, 22, 20, 21, 22, 23, 21, 20, 19, 20, 27, 28]

cp's OEIS Frontend

A335967 Irregular table read by rows; if the binary representation of n encodes the last row of a tiling of a staircase polyomino, then the n-th row contains the numbers k whose binary representation encode possible penultimate rows.

Table of values

List of values

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

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

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