A129362 - cp's OEIS frontend

A129362 a(n) = Sum_{k=floor((n+1)/2)..n} J(k+1), J(k) = A001045(k).

n	a(n)
0	1
1	1
2	4
3	8
4	19
5	37
6	80
7	160
8	331
9	661
10	1344
11	2688
12	5419
13	10837
14	21760
15	43520
16	87211
17	174421
18	349184
19	698368
20	1397419
21	2794837
22	5591040
23	11182080
24	22366891
25	44733781
26	89473024
27	178946048
28	357903019
29	715806037

[1, 1, 4, 8, 19, 37, 80, 160, 331, 661, 1344, 2688, 5419, 10837, 21760, 43520, 87211, 174421, 349184, 698368, 1397419, 2794837, 5591040, 11182080, 22366891, 44733781, 89473024, 178946048, 357903019, 715806037]

cp's OEIS Frontend

A129362 a(n) = Sum_{k=floor((n+1)/2)..n} J(k+1), J(k) = A001045(k).

Table of values

List of values