A087956 - cp's OEIS frontend

A087956 a(n) is the square of the n-th partial sum minus the n-th partial sum of the squares, divided by a(n-1), for all n>=1, starting with a(0)=1, a(1)=3.

n	a(n)
0	1
1	3
2	2
3	11
4	14
5	45
6	76
7	197
8	380
9	895
10	1838
11	4143
12	8762
13	19353
14	41496
15	90793
16	195928
17	426811
18	923802
19	2008307
20	4352902
21	9454021
22	20504420
23	44513581
24	96572820
25	209609143
26	454814022
27	987068631
28	2141901554
29	4648293425
30	10086929456

[1, 3, 2, 11, 14, 45, 76, 197, 380, 895, 1838, 4143, 8762, 19353, 41496, 90793, 195928, 426811, 923802, 2008307, 4352902, 9454021, 20504420, 44513581, 96572820, 209609143, 454814022, 987068631, 2141901554, 4648293425, 10086929456]

cp's OEIS Frontend

A087956 a(n) is the square of the n-th partial sum minus the n-th partial sum of the squares, divided by a(n-1), for all n>=1, starting with a(0)=1, a(1)=3.

Table of values

List of values