A062812 - cp's OEIS frontend

A062812 a(n) = Sum_{i=1..n} i^(n - i) + (-1)^(n - i)*(n - i)^i.

n	a(n)
1	1
2	1
3	5
4	9
5	25
6	65
7	205
8	713
9	2753
10	11425
11	50389
12	234825
13	1155817
14	6009153
15	32958173
16	190115849
17	1148816017
18	7244099617
19	47521750501
20	323632894729
21	2284774880441
22	16702573959489
23	126299702576365
24	986688266888777

[1, 1, 5, 9, 25, 65, 205, 713, 2753, 11425, 50389, 234825, 1155817, 6009153, 32958173, 190115849, 1148816017, 7244099617, 47521750501, 323632894729, 2284774880441, 16702573959489, 126299702576365, 986688266888777]

cp's OEIS Frontend

A062812 a(n) = Sum_{i=1..n} i^(n - i) + (-1)^(n - i)*(n - i)^i.

Table of values

List of values