A253586 - cp's OEIS frontend

A253586 The sum of the i-th ternary digits of n, k, and A(n,k) equals 0 (mod 3) for each i>=0 (leading zeros included); square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	0
1	2
2	2
3	1
4	1
5	1
6	6
7	0
8	0
9	6
10	8
11	8
12	2
13	8
14	8
15	7
16	7
17	7
18	7
19	7
20	7
21	3
22	6
23	6
24	3
25	6
26	6
27	3
28	5
29	5
30	8
31	5
32	5
33	8
34	5
35	5
36	4
37	4
38	4
39	4
40	4
41	4
42	4
43	4
44	4
45	18
46	3
47	3
48	0
49	3
50	3
51	0
52	3
53	3
54	18
55	20
56	20
57	5
58	2
59	2
60	5
61	2
62	2
63	5
64	20
65	20
66	19
67	19
68	19
69	1
70	1
71	1
72	1
73	1
74	1
75	19
76	19
77	19
78	24
79	18
80	18
81	24
82	0
83	0
84	6
85	0
86	0
87	24
88	18
89	18
90	24

[0, 2, 2, 1, 1, 1, 6, 0, 0, 6, 8, 8, 2, 8, 8, 7, 7, 7, 7, 7, 7, 3, 6, 6, 3, 6, 6, 3, 5, 5, 8, 5, 5, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 18, 3, 3, 0, 3, 3, 0, 3, 3, 18, 20, 20, 5, 2, 2, 5, 2, 2, 5, 20, 20, 19, 19, 19, 1, 1, 1, 1, 1, 1, 19, 19, 19, 24, 18, 18, 24, 0, 0, 6, 0, 0, 24, 18, 18, 24]

cp's OEIS Frontend

A253586 The sum of the i-th ternary digits of n, k, and A(n,k) equals 0 (mod 3) for each i>=0 (leading zeros included); square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values

n	a(n)
0	0
1	2
2	2
3	1
4	1
5	1
6	6
7	0
8	0
9	6
10	8
11	8
12	2
13	8
14	8
15	7
16	7
17	7
18	7
19	7
20	7
21	3
22	6
23	6
24	3
25	6
26	6
27	3
28	5
29	5
30	8
31	5
32	5
33	8
34	5
35	5
36	4
37	4
38	4
39	4
40	4
41	4
42	4
43	4
44	4
45	18
46	3
47	3
48	0
49	3
50	3
51	0
52	3
53	3
54	18
55	20
56	20
57	5
58	2
59	2
60	5
61	2
62	2
63	5
64	20
65	20
66	19
67	19
68	19
69	1
70	1
71	1
72	1
73	1
74	1
75	19
76	19
77	19
78	24
79	18
80	18
81	24
82	0
83	0
84	6
85	0
86	0
87	24
88	18
89	18
90	24

n	a(n)
0	0
1	2
2	2
3	1
4	1
5	1
6	6
7	0
8	0
9	6
10	8
11	8
12	2
13	8
14	8
15	7
16	7
17	7
18	7
19	7
20	7
21	3
22	6
23	6
24	3
25	6
26	6
27	3
28	5
29	5
30	8
31	5
32	5
33	8
34	5
35	5
36	4
37	4
38	4
39	4
40	4
41	4
42	4
43	4
44	4
45	18
46	3
47	3
48	0
49	3
50	3
51	0
52	3
53	3
54	18
55	20
56	20
57	5
58	2
59	2
60	5
61	2
62	2
63	5
64	20
65	20
66	19
67	19
68	19
69	1
70	1
71	1
72	1
73	1
74	1
75	19
76	19
77	19
78	24
79	18
80	18
81	24
82	0
83	0
84	6
85	0
86	0
87	24
88	18
89	18
90	24

n	a(n)
0	0
1	2
2	2
3	1
4	1
5	1
6	6
7	0
8	0
9	6
10	8
11	8
12	2
13	8
14	8
15	7
16	7
17	7
18	7
19	7
20	7
21	3
22	6
23	6
24	3
25	6
26	6
27	3
28	5
29	5
30	8
31	5
32	5
33	8
34	5
35	5
36	4
37	4
38	4
39	4
40	4
41	4
42	4
43	4
44	4
45	18
46	3
47	3
48	0
49	3
50	3
51	0
52	3
53	3
54	18
55	20
56	20
57	5
58	2
59	2
60	5
61	2
62	2
63	5
64	20
65	20
66	19
67	19
68	19
69	1
70	1
71	1
72	1
73	1
74	1
75	19
76	19
77	19
78	24
79	18
80	18
81	24
82	0
83	0
84	6
85	0
86	0
87	24
88	18
89	18
90	24