A275204 - cp's OEIS frontend

A275204 Triangle read by rows: T(n,k) = number of domino stacks with n dominoes having a base of k dominoes.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	4
9	5
10	1
11	1
12	6
13	8
14	7
15	1
16	1
17	7
18	15
19	12
20	9
21	1
22	1
23	9
24	22
25	25
26	16
27	11
28	1
29	1
30	10
31	31
32	43
33	35
34	20
35	13
36	1
37	1
38	12
39	41
40	68
41	65
42	45
43	24
44	15
45	1
46	1
47	13
48	54
49	99
50	113
51	87
52	55
53	28
54	17
55	1
56	1
57	15
58	66
59	143
60	178
61	159
62	109
63	65
64	32
65	19
66	1
67	1
68	16
69	82
70	193
71	273
72	267
73	205
74	131
75	75
76	36
77	21
78	1
79	1
80	18
81	98
82	258
83	398
84	430
85	357
86	251
87	153
88	85
89	40
90	23
91	1

[1, 1, 1, 1, 3, 1, 1, 4, 5, 1, 1, 6, 8, 7, 1, 1, 7, 15, 12, 9, 1, 1, 9, 22, 25, 16, 11, 1, 1, 10, 31, 43, 35, 20, 13, 1, 1, 12, 41, 68, 65, 45, 24, 15, 1, 1, 13, 54, 99, 113, 87, 55, 28, 17, 1, 1, 15, 66, 143, 178, 159, 109, 65, 32, 19, 1, 1, 16, 82, 193, 273, 267, 205, 131, 75, 36, 21, 1, 1, 18, 98, 258, 398, 430, 357, 251, 153, 85, 40, 23, 1]

cp's OEIS Frontend

A275204 Triangle read by rows: T(n,k) = number of domino stacks with n dominoes having a base of k dominoes.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	4
9	5
10	1
11	1
12	6
13	8
14	7
15	1
16	1
17	7
18	15
19	12
20	9
21	1
22	1
23	9
24	22
25	25
26	16
27	11
28	1
29	1
30	10
31	31
32	43
33	35
34	20
35	13
36	1
37	1
38	12
39	41
40	68
41	65
42	45
43	24
44	15
45	1
46	1
47	13
48	54
49	99
50	113
51	87
52	55
53	28
54	17
55	1
56	1
57	15
58	66
59	143
60	178
61	159
62	109
63	65
64	32
65	19
66	1
67	1
68	16
69	82
70	193
71	273
72	267
73	205
74	131
75	75
76	36
77	21
78	1
79	1
80	18
81	98
82	258
83	398
84	430
85	357
86	251
87	153
88	85
89	40
90	23
91	1

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	4
9	5
10	1
11	1
12	6
13	8
14	7
15	1
16	1
17	7
18	15
19	12
20	9
21	1
22	1
23	9
24	22
25	25
26	16
27	11
28	1
29	1
30	10
31	31
32	43
33	35
34	20
35	13
36	1
37	1
38	12
39	41
40	68
41	65
42	45
43	24
44	15
45	1
46	1
47	13
48	54
49	99
50	113
51	87
52	55
53	28
54	17
55	1
56	1
57	15
58	66
59	143
60	178
61	159
62	109
63	65
64	32
65	19
66	1
67	1
68	16
69	82
70	193
71	273
72	267
73	205
74	131
75	75
76	36
77	21
78	1
79	1
80	18
81	98
82	258
83	398
84	430
85	357
86	251
87	153
88	85
89	40
90	23
91	1

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	4
9	5
10	1
11	1
12	6
13	8
14	7
15	1
16	1
17	7
18	15
19	12
20	9
21	1
22	1
23	9
24	22
25	25
26	16
27	11
28	1
29	1
30	10
31	31
32	43
33	35
34	20
35	13
36	1
37	1
38	12
39	41
40	68
41	65
42	45
43	24
44	15
45	1
46	1
47	13
48	54
49	99
50	113
51	87
52	55
53	28
54	17
55	1
56	1
57	15
58	66
59	143
60	178
61	159
62	109
63	65
64	32
65	19
66	1
67	1
68	16
69	82
70	193
71	273
72	267
73	205
74	131
75	75
76	36
77	21
78	1
79	1
80	18
81	98
82	258
83	398
84	430
85	357
86	251
87	153
88	85
89	40
90	23
91	1