A368434 - cp's OEIS frontend

A368434 Irregular triangular array T, read by rows: T(n,k) = number of sums |x-y|+|y-z| = k, where x,y,z are in {0,1,...,n}.

n	a(n)
1	1
2	2
3	4
4	2
5	3
6	8
7	10
8	4
9	2
10	4
11	12
12	18
13	16
14	8
15	4
16	2
17	5
18	16
19	26
20	28
21	24
22	12
23	8
24	4
25	2
26	6
27	20
28	34
29	40
30	40
31	32
32	18
33	12
34	8
35	4
36	2
37	7
38	24
39	42
40	52
41	56
42	52
43	42
44	24
45	18
46	12
47	8
48	4
49	2
50	8
51	28
52	50
53	64
54	72
55	72
56	66
57	52
58	32
59	24
60	18
61	12
62	8
63	4
64	2
65	9
66	32
67	58
68	76
69	88
70	92
71	90
72	80

[1, 2, 4, 2, 3, 8, 10, 4, 2, 4, 12, 18, 16, 8, 4, 2, 5, 16, 26, 28, 24, 12, 8, 4, 2, 6, 20, 34, 40, 40, 32, 18, 12, 8, 4, 2, 7, 24, 42, 52, 56, 52, 42, 24, 18, 12, 8, 4, 2, 8, 28, 50, 64, 72, 72, 66, 52, 32, 24, 18, 12, 8, 4, 2, 9, 32, 58, 76, 88, 92, 90, 80]

cp's OEIS Frontend

A368434 Irregular triangular array T, read by rows: T(n,k) = number of sums |x-y|+|y-z| = k, where x,y,z are in {0,1,...,n}.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	2
5	3
6	8
7	10
8	4
9	2
10	4
11	12
12	18
13	16
14	8
15	4
16	2
17	5
18	16
19	26
20	28
21	24
22	12
23	8
24	4
25	2
26	6
27	20
28	34
29	40
30	40
31	32
32	18
33	12
34	8
35	4
36	2
37	7
38	24
39	42
40	52
41	56
42	52
43	42
44	24
45	18
46	12
47	8
48	4
49	2
50	8
51	28
52	50
53	64
54	72
55	72
56	66
57	52
58	32
59	24
60	18
61	12
62	8
63	4
64	2
65	9
66	32
67	58
68	76
69	88
70	92
71	90
72	80

n	a(n)
1	1
2	2
3	4
4	2
5	3
6	8
7	10
8	4
9	2
10	4
11	12
12	18
13	16
14	8
15	4
16	2
17	5
18	16
19	26
20	28
21	24
22	12
23	8
24	4
25	2
26	6
27	20
28	34
29	40
30	40
31	32
32	18
33	12
34	8
35	4
36	2
37	7
38	24
39	42
40	52
41	56
42	52
43	42
44	24
45	18
46	12
47	8
48	4
49	2
50	8
51	28
52	50
53	64
54	72
55	72
56	66
57	52
58	32
59	24
60	18
61	12
62	8
63	4
64	2
65	9
66	32
67	58
68	76
69	88
70	92
71	90
72	80

n	a(n)
1	1
2	2
3	4
4	2
5	3
6	8
7	10
8	4
9	2
10	4
11	12
12	18
13	16
14	8
15	4
16	2
17	5
18	16
19	26
20	28
21	24
22	12
23	8
24	4
25	2
26	6
27	20
28	34
29	40
30	40
31	32
32	18
33	12
34	8
35	4
36	2
37	7
38	24
39	42
40	52
41	56
42	52
43	42
44	24
45	18
46	12
47	8
48	4
49	2
50	8
51	28
52	50
53	64
54	72
55	72
56	66
57	52
58	32
59	24
60	18
61	12
62	8
63	4
64	2
65	9
66	32
67	58
68	76
69	88
70	92
71	90
72	80