A036372 - cp's OEIS frontend

A036372 Number of ternary rooted trees with n nodes and height at most 4.

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	7
6	12
7	20
8	31
9	47
10	70
11	99
12	137
13	184
14	239
15	300
16	369
17	432
18	498
19	551
20	594
21	614
22	624
23	601
24	570
25	514
26	453
27	378
28	312
29	238
30	181
31	128
32	89
33	56
34	37
35	20
36	12
37	6
38	3
39	1
40	1

[1, 1, 1, 2, 4, 7, 12, 20, 31, 47, 70, 99, 137, 184, 239, 300, 369, 432, 498, 551, 594, 614, 624, 601, 570, 514, 453, 378, 312, 238, 181, 128, 89, 56, 37, 20, 12, 6, 3, 1, 1]

cp's OEIS Frontend

A036372 Number of ternary rooted trees with n nodes and height at most 4.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	7
6	12
7	20
8	31
9	47
10	70
11	99
12	137
13	184
14	239
15	300
16	369
17	432
18	498
19	551
20	594
21	614
22	624
23	601
24	570
25	514
26	453
27	378
28	312
29	238
30	181
31	128
32	89
33	56
34	37
35	20
36	12
37	6
38	3
39	1
40	1

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	7
6	12
7	20
8	31
9	47
10	70
11	99
12	137
13	184
14	239
15	300
16	369
17	432
18	498
19	551
20	594
21	614
22	624
23	601
24	570
25	514
26	453
27	378
28	312
29	238
30	181
31	128
32	89
33	56
34	37
35	20
36	12
37	6
38	3
39	1
40	1

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	7
6	12
7	20
8	31
9	47
10	70
11	99
12	137
13	184
14	239
15	300
16	369
17	432
18	498
19	551
20	594
21	614
22	624
23	601
24	570
25	514
26	453
27	378
28	312
29	238
30	181
31	128
32	89
33	56
34	37
35	20
36	12
37	6
38	3
39	1
40	1