A276819 - cp's OEIS frontend

A276819 a(n) = (9*n^2 - n)/2 + 1.

n	a(n)
0	1
1	5
2	18
3	40
4	71
5	111
6	160
7	218
8	285
9	361
10	446
11	540
12	643
13	755
14	876
15	1006
16	1145
17	1293
18	1450
19	1616
20	1791
21	1975
22	2168
23	2370
24	2581
25	2801
26	3030
27	3268
28	3515
29	3771
30	4036
31	4310
32	4593
33	4885
34	5186
35	5496
36	5815
37	6143
38	6480
39	6826
40	7181
41	7545
42	7918
43	8300
44	8691
45	9091
46	9500
47	9918
48	10345
49	10781
50	11226
51	11680
52	12143
53	12615

[1, 5, 18, 40, 71, 111, 160, 218, 285, 361, 446, 540, 643, 755, 876, 1006, 1145, 1293, 1450, 1616, 1791, 1975, 2168, 2370, 2581, 2801, 3030, 3268, 3515, 3771, 4036, 4310, 4593, 4885, 5186, 5496, 5815, 6143, 6480, 6826, 7181, 7545, 7918, 8300, 8691, 9091, 9500, 9918, 10345, 10781, 11226, 11680, 12143, 12615]

cp's OEIS Frontend

A276819 a(n) = (9*n^2 - n)/2 + 1.

Table of values

List of values