A144215 - cp's OEIS frontend

A144215 Triangle read by rows: T(n,k) is the number of forests on n unlabeled nodes with all nodes of degree <= k (n>=1, 0 <= k <= n-1).

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	3
9	5
10	6
11	1
12	3
13	7
14	9
15	10
16	1
17	4
18	11
19	17
20	19
21	20
22	1
23	4
24	15
25	28
26	34
27	36
28	37
29	1
30	5
31	22
32	52
33	67
34	73
35	75
36	76
37	1
38	5
39	30
40	90
41	129
42	144
43	150
44	152
45	153
46	1
47	6
48	42
49	170
50	264
51	305
52	320
53	326
54	328
55	329
56	1
57	6
58	56
59	310
60	542
61	645
62	686
63	701
64	707
65	709
66	710

[1, 1, 2, 1, 2, 3, 1, 3, 5, 6, 1, 3, 7, 9, 10, 1, 4, 11, 17, 19, 20, 1, 4, 15, 28, 34, 36, 37, 1, 5, 22, 52, 67, 73, 75, 76, 1, 5, 30, 90, 129, 144, 150, 152, 153, 1, 6, 42, 170, 264, 305, 320, 326, 328, 329, 1, 6, 56, 310, 542, 645, 686, 701, 707, 709, 710]

cp's OEIS Frontend

A144215 Triangle read by rows: T(n,k) is the number of forests on n unlabeled nodes with all nodes of degree <= k (n>=1, 0 <= k <= n-1).

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	3
9	5
10	6
11	1
12	3
13	7
14	9
15	10
16	1
17	4
18	11
19	17
20	19
21	20
22	1
23	4
24	15
25	28
26	34
27	36
28	37
29	1
30	5
31	22
32	52
33	67
34	73
35	75
36	76
37	1
38	5
39	30
40	90
41	129
42	144
43	150
44	152
45	153
46	1
47	6
48	42
49	170
50	264
51	305
52	320
53	326
54	328
55	329
56	1
57	6
58	56
59	310
60	542
61	645
62	686
63	701
64	707
65	709
66	710

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	3
9	5
10	6
11	1
12	3
13	7
14	9
15	10
16	1
17	4
18	11
19	17
20	19
21	20
22	1
23	4
24	15
25	28
26	34
27	36
28	37
29	1
30	5
31	22
32	52
33	67
34	73
35	75
36	76
37	1
38	5
39	30
40	90
41	129
42	144
43	150
44	152
45	153
46	1
47	6
48	42
49	170
50	264
51	305
52	320
53	326
54	328
55	329
56	1
57	6
58	56
59	310
60	542
61	645
62	686
63	701
64	707
65	709
66	710

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	3
9	5
10	6
11	1
12	3
13	7
14	9
15	10
16	1
17	4
18	11
19	17
20	19
21	20
22	1
23	4
24	15
25	28
26	34
27	36
28	37
29	1
30	5
31	22
32	52
33	67
34	73
35	75
36	76
37	1
38	5
39	30
40	90
41	129
42	144
43	150
44	152
45	153
46	1
47	6
48	42
49	170
50	264
51	305
52	320
53	326
54	328
55	329
56	1
57	6
58	56
59	310
60	542
61	645
62	686
63	701
64	707
65	709
66	710