A027992 - cp's OEIS frontend

A027992 a(n) = 1T(n,0) + 2T(n,1) + ... + (2n+1)*T(n,2n), T given by A027926.

n	a(n)
0	1
1	6
2	22
3	66
4	178
5	450
6	1090
7	2562
8	5890
9	13314
10	29698
11	65538
12	143362
13	311298
14	671746
15	1441794
16	3080194
17	6553602
18	13893634
19	29360130
20	61865986
21	130023426
22	272629762
23	570425346
24	1191182338
25	2483027970
26	5167382530
27	10737418242

[1, 6, 22, 66, 178, 450, 1090, 2562, 5890, 13314, 29698, 65538, 143362, 311298, 671746, 1441794, 3080194, 6553602, 13893634, 29360130, 61865986, 130023426, 272629762, 570425346, 1191182338, 2483027970, 5167382530, 10737418242]

cp's OEIS Frontend

A027992 a(n) = 1T(n,0) + 2T(n,1) + ... + (2n+1)*T(n,2n), T given by A027926.

Table of values

List of values

cp's OEIS Frontend

A027992 a(n) = 1*T(n,0) + 2*T(n,1) + ... + (2n+1)*T(n,2n), T given by A027926.

Table of values

List of values

A027992 a(n) = 1T(n,0) + 2T(n,1) + ... + (2n+1)*T(n,2n), T given by A027926.