A277977 - cp's OEIS frontend

A277977 a(n) = n(1-3n+2n^2+2*n^3)/2.

n	a(n)
0	0
1	1
2	19
3	96
4	298
5	715
6	1461
7	2674
8	4516
9	7173
10	10855
11	15796
12	22254
13	30511
14	40873
15	53670
16	69256
17	88009
18	110331
19	136648
20	167410
21	203091
22	244189
23	291226
24	344748
25	405325
26	473551
27	550044
28	635446
29	730423
30	835665
31	951886
32	1079824
33	1220241
34	1373923
35	1541680
36	1724346

[0, 1, 19, 96, 298, 715, 1461, 2674, 4516, 7173, 10855, 15796, 22254, 30511, 40873, 53670, 69256, 88009, 110331, 136648, 167410, 203091, 244189, 291226, 344748, 405325, 473551, 550044, 635446, 730423, 835665, 951886, 1079824, 1220241, 1373923, 1541680, 1724346]

cp's OEIS Frontend

A277977 a(n) = n(1-3n+2n^2+2*n^3)/2.

Table of values

List of values

cp's OEIS Frontend

A277977 a(n) = n*(1-3n+2*n^2+2*n^3)/2.

Table of values

List of values

A277977 a(n) = n(1-3n+2n^2+2*n^3)/2.