A375301 - cp's OEIS frontend

A375301 Triangle T(n,k) read by rows with row n equal to the unique permutation pi_n of [1, ..., n] such that k + pi_n(k) is a power of 2 for 1 <= k <= n.

n	a(n)
1	1
2	1
3	2
4	3
5	2
6	1
7	3
8	2
9	1
10	4
11	1
12	2
13	5
14	4
15	3
16	1
17	6
18	5
19	4
20	3
21	2
22	7
23	6
24	5
25	4
26	3
27	2
28	1
29	7
30	6
31	5
32	4
33	3
34	2
35	1
36	8
37	1
38	6
39	5
40	4
41	3
42	2
43	9
44	8
45	7
46	1
47	2
48	5
49	4
50	3
51	10
52	9
53	8
54	7
55	6
56	3
57	2
58	1
59	4
60	11
61	10
62	9
63	8
64	7
65	6
66	5
67	3
68	2
69	1
70	12
71	11
72	10
73	9
74	8
75	7
76	6
77	5
78	4
79	1
80	2
81	13
82	12
83	11
84	10
85	9
86	8
87	7
88	6
89	5
90	4
91	3

[1, 1, 2, 3, 2, 1, 3, 2, 1, 4, 1, 2, 5, 4, 3, 1, 6, 5, 4, 3, 2, 7, 6, 5, 4, 3, 2, 1, 7, 6, 5, 4, 3, 2, 1, 8, 1, 6, 5, 4, 3, 2, 9, 8, 7, 1, 2, 5, 4, 3, 10, 9, 8, 7, 6, 3, 2, 1, 4, 11, 10, 9, 8, 7, 6, 5, 3, 2, 1, 12, 11, 10, 9, 8, 7, 6, 5, 4, 1, 2, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3]

cp's OEIS Frontend

A375301 Triangle T(n,k) read by rows with row n equal to the unique permutation pi_n of [1, ..., n] such that k + pi_n(k) is a power of 2 for 1 <= k <= n.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	3
5	2
6	1
7	3
8	2
9	1
10	4
11	1
12	2
13	5
14	4
15	3
16	1
17	6
18	5
19	4
20	3
21	2
22	7
23	6
24	5
25	4
26	3
27	2
28	1
29	7
30	6
31	5
32	4
33	3
34	2
35	1
36	8
37	1
38	6
39	5
40	4
41	3
42	2
43	9
44	8
45	7
46	1
47	2
48	5
49	4
50	3
51	10
52	9
53	8
54	7
55	6
56	3
57	2
58	1
59	4
60	11
61	10
62	9
63	8
64	7
65	6
66	5
67	3
68	2
69	1
70	12
71	11
72	10
73	9
74	8
75	7
76	6
77	5
78	4
79	1
80	2
81	13
82	12
83	11
84	10
85	9
86	8
87	7
88	6
89	5
90	4
91	3

n	a(n)
1	1
2	1
3	2
4	3
5	2
6	1
7	3
8	2
9	1
10	4
11	1
12	2
13	5
14	4
15	3
16	1
17	6
18	5
19	4
20	3
21	2
22	7
23	6
24	5
25	4
26	3
27	2
28	1
29	7
30	6
31	5
32	4
33	3
34	2
35	1
36	8
37	1
38	6
39	5
40	4
41	3
42	2
43	9
44	8
45	7
46	1
47	2
48	5
49	4
50	3
51	10
52	9
53	8
54	7
55	6
56	3
57	2
58	1
59	4
60	11
61	10
62	9
63	8
64	7
65	6
66	5
67	3
68	2
69	1
70	12
71	11
72	10
73	9
74	8
75	7
76	6
77	5
78	4
79	1
80	2
81	13
82	12
83	11
84	10
85	9
86	8
87	7
88	6
89	5
90	4
91	3

n	a(n)
1	1
2	1
3	2
4	3
5	2
6	1
7	3
8	2
9	1
10	4
11	1
12	2
13	5
14	4
15	3
16	1
17	6
18	5
19	4
20	3
21	2
22	7
23	6
24	5
25	4
26	3
27	2
28	1
29	7
30	6
31	5
32	4
33	3
34	2
35	1
36	8
37	1
38	6
39	5
40	4
41	3
42	2
43	9
44	8
45	7
46	1
47	2
48	5
49	4
50	3
51	10
52	9
53	8
54	7
55	6
56	3
57	2
58	1
59	4
60	11
61	10
62	9
63	8
64	7
65	6
66	5
67	3
68	2
69	1
70	12
71	11
72	10
73	9
74	8
75	7
76	6
77	5
78	4
79	1
80	2
81	13
82	12
83	11
84	10
85	9
86	8
87	7
88	6
89	5
90	4
91	3