A348208 - cp's OEIS frontend

A348208 a(n) = Sum_{k=0..floor(n/2)} (-1)^(k-1)(k-1)^2A106828(n, k).

n	a(n)
0	-1
1	0
2	0
3	0
4	-3
5	-20
6	-70
7	-84
8	1267
9	18824
10	209484
11	2284920
12	26010369
13	314864628
14	4073158102
15	56304102596
16	830061867975
17	13016975343184
18	216535182535928
19	3810394068301296
20	70744547160678501
21	1382375535029293500
22	28364229790262962386
23	609820072529413714012

[-1, 0, 0, 0, -3, -20, -70, -84, 1267, 18824, 209484, 2284920, 26010369, 314864628, 4073158102, 56304102596, 830061867975, 13016975343184, 216535182535928, 3810394068301296, 70744547160678501, 1382375535029293500, 28364229790262962386, 609820072529413714012]

cp's OEIS Frontend

A348208 a(n) = Sum_{k=0..floor(n/2)} (-1)^(k-1)(k-1)^2A106828(n, k).

Table of values

List of values

cp's OEIS Frontend

A348208 a(n) = Sum_{k=0..floor(n/2)} (-1)^(k-1)*(k-1)^2*A106828(n, k).

Table of values

List of values

A348208 a(n) = Sum_{k=0..floor(n/2)} (-1)^(k-1)(k-1)^2A106828(n, k).