A026626 - cp's OEIS frontend

A026626 Triangular array T read by rows: T(n,0) = T(n,n) = 1 for n >= 0, T(n,1) = T(n,n-1) = floor(3*n/2) for n >= 1, T(n,k) = T(n-1,k-1) + T(n-1,k) for 2 <= k <= n-2, n >= 4.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	4
8	4
9	1
10	1
11	6
12	8
13	6
14	1
15	1
16	7
17	14
18	14
19	7
20	1
21	1
22	9
23	21
24	28
25	21
26	9
27	1
28	1
29	10
30	30
31	49
32	49
33	30
34	10
35	1
36	1
37	12
38	40
39	79
40	98
41	79
42	40
43	12
44	1
45	1
46	13
47	52
48	119
49	177
50	177
51	119
52	52
53	13
54	1
55	1
56	15
57	65
58	171
59	296
60	354
61	296
62	171
63	65
64	15
65	1
66	1
67	16
68	80
69	236
70	467
71	650
72	650
73	467
74	236
75	80
76	16
77	1

[1, 1, 1, 1, 3, 1, 1, 4, 4, 1, 1, 6, 8, 6, 1, 1, 7, 14, 14, 7, 1, 1, 9, 21, 28, 21, 9, 1, 1, 10, 30, 49, 49, 30, 10, 1, 1, 12, 40, 79, 98, 79, 40, 12, 1, 1, 13, 52, 119, 177, 177, 119, 52, 13, 1, 1, 15, 65, 171, 296, 354, 296, 171, 65, 15, 1, 1, 16, 80, 236, 467, 650, 650, 467, 236, 80, 16, 1]

cp's OEIS Frontend

A026626 Triangular array T read by rows: T(n,0) = T(n,n) = 1 for n >= 0, T(n,1) = T(n,n-1) = floor(3*n/2) for n >= 1, T(n,k) = T(n-1,k-1) + T(n-1,k) for 2 <= k <= n-2, n >= 4.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	4
8	4
9	1
10	1
11	6
12	8
13	6
14	1
15	1
16	7
17	14
18	14
19	7
20	1
21	1
22	9
23	21
24	28
25	21
26	9
27	1
28	1
29	10
30	30
31	49
32	49
33	30
34	10
35	1
36	1
37	12
38	40
39	79
40	98
41	79
42	40
43	12
44	1
45	1
46	13
47	52
48	119
49	177
50	177
51	119
52	52
53	13
54	1
55	1
56	15
57	65
58	171
59	296
60	354
61	296
62	171
63	65
64	15
65	1
66	1
67	16
68	80
69	236
70	467
71	650
72	650
73	467
74	236
75	80
76	16
77	1

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	4
8	4
9	1
10	1
11	6
12	8
13	6
14	1
15	1
16	7
17	14
18	14
19	7
20	1
21	1
22	9
23	21
24	28
25	21
26	9
27	1
28	1
29	10
30	30
31	49
32	49
33	30
34	10
35	1
36	1
37	12
38	40
39	79
40	98
41	79
42	40
43	12
44	1
45	1
46	13
47	52
48	119
49	177
50	177
51	119
52	52
53	13
54	1
55	1
56	15
57	65
58	171
59	296
60	354
61	296
62	171
63	65
64	15
65	1
66	1
67	16
68	80
69	236
70	467
71	650
72	650
73	467
74	236
75	80
76	16
77	1

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	4
8	4
9	1
10	1
11	6
12	8
13	6
14	1
15	1
16	7
17	14
18	14
19	7
20	1
21	1
22	9
23	21
24	28
25	21
26	9
27	1
28	1
29	10
30	30
31	49
32	49
33	30
34	10
35	1
36	1
37	12
38	40
39	79
40	98
41	79
42	40
43	12
44	1
45	1
46	13
47	52
48	119
49	177
50	177
51	119
52	52
53	13
54	1
55	1
56	15
57	65
58	171
59	296
60	354
61	296
62	171
63	65
64	15
65	1
66	1
67	16
68	80
69	236
70	467
71	650
72	650
73	467
74	236
75	80
76	16
77	1