A202676 - cp's OEIS frontend

A202676 Symmetric matrix based on (1,4,7,10,13,...), by antidiagonals.

n	a(n)
1	1
2	4
3	4
4	7
5	17
6	7
7	10
8	32
9	32
10	10
11	13
12	47
13	66
14	47
15	13
16	16
17	62
18	102
19	102
20	62
21	16
22	19
23	77
24	138
25	166
26	138
27	77
28	19
29	22
30	92
31	174
32	232
33	232
34	174
35	92
36	22
37	25
38	107
39	210
40	298
41	335
42	298
43	210
44	107
45	25
46	28
47	122
48	246
49	364
50	440
51	440
52	364
53	246
54	122
55	28
56	31
57	137
58	282
59	430

[1, 4, 4, 7, 17, 7, 10, 32, 32, 10, 13, 47, 66, 47, 13, 16, 62, 102, 102, 62, 16, 19, 77, 138, 166, 138, 77, 19, 22, 92, 174, 232, 232, 174, 92, 22, 25, 107, 210, 298, 335, 298, 210, 107, 25, 28, 122, 246, 364, 440, 440, 364, 246, 122, 28, 31, 137, 282, 430]

cp's OEIS Frontend

A202676 Symmetric matrix based on (1,4,7,10,13,...), by antidiagonals.

Table of values

List of values

n	a(n)
1	1
2	4
3	4
4	7
5	17
6	7
7	10
8	32
9	32
10	10
11	13
12	47
13	66
14	47
15	13
16	16
17	62
18	102
19	102
20	62
21	16
22	19
23	77
24	138
25	166
26	138
27	77
28	19
29	22
30	92
31	174
32	232
33	232
34	174
35	92
36	22
37	25
38	107
39	210
40	298
41	335
42	298
43	210
44	107
45	25
46	28
47	122
48	246
49	364
50	440
51	440
52	364
53	246
54	122
55	28
56	31
57	137
58	282
59	430

n	a(n)
1	1
2	4
3	4
4	7
5	17
6	7
7	10
8	32
9	32
10	10
11	13
12	47
13	66
14	47
15	13
16	16
17	62
18	102
19	102
20	62
21	16
22	19
23	77
24	138
25	166
26	138
27	77
28	19
29	22
30	92
31	174
32	232
33	232
34	174
35	92
36	22
37	25
38	107
39	210
40	298
41	335
42	298
43	210
44	107
45	25
46	28
47	122
48	246
49	364
50	440
51	440
52	364
53	246
54	122
55	28
56	31
57	137
58	282
59	430

n	a(n)
1	1
2	4
3	4
4	7
5	17
6	7
7	10
8	32
9	32
10	10
11	13
12	47
13	66
14	47
15	13
16	16
17	62
18	102
19	102
20	62
21	16
22	19
23	77
24	138
25	166
26	138
27	77
28	19
29	22
30	92
31	174
32	232
33	232
34	174
35	92
36	22
37	25
38	107
39	210
40	298
41	335
42	298
43	210
44	107
45	25
46	28
47	122
48	246
49	364
50	440
51	440
52	364
53	246
54	122
55	28
56	31
57	137
58	282
59	430