A316654 - cp's OEIS frontend

A316654 Number of series-reduced rooted identity trees whose leaves span an initial interval of positive integers with multiplicities an integer partition of n.

n	a(n)
1	1
2	1
3	5
4	39
5	387
6	4960
7	74088
8	1312716
9	26239484
10	595023510
11	14908285892
12	412903136867
13	12448252189622
14	407804188400373
15	14380454869464352
16	544428684832123828
17	21991444994187529639
18	945234507638271696504
19	43042162953650721470752
20	2071216980365429970912347

[1, 1, 5, 39, 387, 4960, 74088, 1312716, 26239484, 595023510, 14908285892, 412903136867, 12448252189622, 407804188400373, 14380454869464352, 544428684832123828, 21991444994187529639, 945234507638271696504, 43042162953650721470752, 2071216980365429970912347]

cp's OEIS Frontend

A316654 Number of series-reduced rooted identity trees whose leaves span an initial interval of positive integers with multiplicities an integer partition of n.

Table of values

List of values