A368436 - cp's OEIS frontend

A368436 Irregular triangular array T, read by rows: T(n,k) = number of sums |x-y|+|y-z| = k, where (x,y,z) is a permutation of three distinct numbers x,y,z taken from {0,1,...,n}, for n >= 2, k >= 2.

n	a(n)
1	2
2	4
3	4
4	12
5	4
6	4
7	6
8	20
9	14
10	12
11	4
12	4
13	8
14	28
15	24
16	28
17	12
18	12
19	4
20	4
21	10
22	36
23	34
24	44
25	30
26	24
27	12
28	12
29	4
30	4
31	12
32	44
33	44
34	60
35	48
36	48
37	24
38	24
39	12
40	12
41	4
42	4
43	14
44	52
45	54
46	76
47	66
48	72
49	50
50	40
51	24
52	24
53	12
54	12
55	4
56	4
57	16
58	60
59	64
60	92
61	84
62	96
63	76
64	72
65	40
66	40
67	24
68	24
69	12

[2, 4, 4, 12, 4, 4, 6, 20, 14, 12, 4, 4, 8, 28, 24, 28, 12, 12, 4, 4, 10, 36, 34, 44, 30, 24, 12, 12, 4, 4, 12, 44, 44, 60, 48, 48, 24, 24, 12, 12, 4, 4, 14, 52, 54, 76, 66, 72, 50, 40, 24, 24, 12, 12, 4, 4, 16, 60, 64, 92, 84, 96, 76, 72, 40, 40, 24, 24, 12]

cp's OEIS Frontend

A368436 Irregular triangular array T, read by rows: T(n,k) = number of sums |x-y|+|y-z| = k, where (x,y,z) is a permutation of three distinct numbers x,y,z taken from {0,1,...,n}, for n >= 2, k >= 2.

Table of values

List of values

n	a(n)
1	2
2	4
3	4
4	12
5	4
6	4
7	6
8	20
9	14
10	12
11	4
12	4
13	8
14	28
15	24
16	28
17	12
18	12
19	4
20	4
21	10
22	36
23	34
24	44
25	30
26	24
27	12
28	12
29	4
30	4
31	12
32	44
33	44
34	60
35	48
36	48
37	24
38	24
39	12
40	12
41	4
42	4
43	14
44	52
45	54
46	76
47	66
48	72
49	50
50	40
51	24
52	24
53	12
54	12
55	4
56	4
57	16
58	60
59	64
60	92
61	84
62	96
63	76
64	72
65	40
66	40
67	24
68	24
69	12

n	a(n)
1	2
2	4
3	4
4	12
5	4
6	4
7	6
8	20
9	14
10	12
11	4
12	4
13	8
14	28
15	24
16	28
17	12
18	12
19	4
20	4
21	10
22	36
23	34
24	44
25	30
26	24
27	12
28	12
29	4
30	4
31	12
32	44
33	44
34	60
35	48
36	48
37	24
38	24
39	12
40	12
41	4
42	4
43	14
44	52
45	54
46	76
47	66
48	72
49	50
50	40
51	24
52	24
53	12
54	12
55	4
56	4
57	16
58	60
59	64
60	92
61	84
62	96
63	76
64	72
65	40
66	40
67	24
68	24
69	12

n	a(n)
1	2
2	4
3	4
4	12
5	4
6	4
7	6
8	20
9	14
10	12
11	4
12	4
13	8
14	28
15	24
16	28
17	12
18	12
19	4
20	4
21	10
22	36
23	34
24	44
25	30
26	24
27	12
28	12
29	4
30	4
31	12
32	44
33	44
34	60
35	48
36	48
37	24
38	24
39	12
40	12
41	4
42	4
43	14
44	52
45	54
46	76
47	66
48	72
49	50
50	40
51	24
52	24
53	12
54	12
55	4
56	4
57	16
58	60
59	64
60	92
61	84
62	96
63	76
64	72
65	40
66	40
67	24
68	24
69	12