A368521 - cp's OEIS frontend

A368521 Triangular array T, read by rows: T(n,k) = number of sums |x-y| + |y-z| - |x-z| = k, where x,y,z are in {1,2,...,n}.

n	a(n)
1	1
2	6
3	2
4	17
5	8
6	2
7	36
8	18
9	8
10	2
11	65
12	32
13	18
14	8
15	2
16	106
17	50
18	32
19	18
20	8
21	2
22	161
23	72
24	50
25	32
26	18
27	8
28	2
29	232
30	98
31	72
32	50
33	32
34	18
35	8
36	2
37	321
38	128
39	98
40	72
41	50
42	32
43	18
44	8
45	2
46	430
47	162
48	128
49	98
50	72
51	50
52	32
53	18
54	8
55	2
56	561
57	200
58	162
59	128
60	98
61	72
62	50
63	32
64	18
65	8
66	2
67	716

[1, 6, 2, 17, 8, 2, 36, 18, 8, 2, 65, 32, 18, 8, 2, 106, 50, 32, 18, 8, 2, 161, 72, 50, 32, 18, 8, 2, 232, 98, 72, 50, 32, 18, 8, 2, 321, 128, 98, 72, 50, 32, 18, 8, 2, 430, 162, 128, 98, 72, 50, 32, 18, 8, 2, 561, 200, 162, 128, 98, 72, 50, 32, 18, 8, 2, 716]

cp's OEIS Frontend

A368521 Triangular array T, read by rows: T(n,k) = number of sums |x-y| + |y-z| - |x-z| = k, where x,y,z are in {1,2,...,n}.

Table of values

List of values

n	a(n)
1	1
2	6
3	2
4	17
5	8
6	2
7	36
8	18
9	8
10	2
11	65
12	32
13	18
14	8
15	2
16	106
17	50
18	32
19	18
20	8
21	2
22	161
23	72
24	50
25	32
26	18
27	8
28	2
29	232
30	98
31	72
32	50
33	32
34	18
35	8
36	2
37	321
38	128
39	98
40	72
41	50
42	32
43	18
44	8
45	2
46	430
47	162
48	128
49	98
50	72
51	50
52	32
53	18
54	8
55	2
56	561
57	200
58	162
59	128
60	98
61	72
62	50
63	32
64	18
65	8
66	2
67	716

n	a(n)
1	1
2	6
3	2
4	17
5	8
6	2
7	36
8	18
9	8
10	2
11	65
12	32
13	18
14	8
15	2
16	106
17	50
18	32
19	18
20	8
21	2
22	161
23	72
24	50
25	32
26	18
27	8
28	2
29	232
30	98
31	72
32	50
33	32
34	18
35	8
36	2
37	321
38	128
39	98
40	72
41	50
42	32
43	18
44	8
45	2
46	430
47	162
48	128
49	98
50	72
51	50
52	32
53	18
54	8
55	2
56	561
57	200
58	162
59	128
60	98
61	72
62	50
63	32
64	18
65	8
66	2
67	716

n	a(n)
1	1
2	6
3	2
4	17
5	8
6	2
7	36
8	18
9	8
10	2
11	65
12	32
13	18
14	8
15	2
16	106
17	50
18	32
19	18
20	8
21	2
22	161
23	72
24	50
25	32
26	18
27	8
28	2
29	232
30	98
31	72
32	50
33	32
34	18
35	8
36	2
37	321
38	128
39	98
40	72
41	50
42	32
43	18
44	8
45	2
46	430
47	162
48	128
49	98
50	72
51	50
52	32
53	18
54	8
55	2
56	561
57	200
58	162
59	128
60	98
61	72
62	50
63	32
64	18
65	8
66	2
67	716