A140689 - cp's OEIS frontend

A140689 a(n) = n(3n + 20).

n	a(n)
0	0
1	23
2	52
3	87
4	128
5	175
6	228
7	287
8	352
9	423
10	500
11	583
12	672
13	767
14	868
15	975
16	1088
17	1207
18	1332
19	1463
20	1600
21	1743
22	1892
23	2047
24	2208
25	2375
26	2548
27	2727
28	2912
29	3103
30	3300
31	3503
32	3712
33	3927
34	4148
35	4375
36	4608
37	4847
38	5092
39	5343
40	5600
41	5863

[0, 23, 52, 87, 128, 175, 228, 287, 352, 423, 500, 583, 672, 767, 868, 975, 1088, 1207, 1332, 1463, 1600, 1743, 1892, 2047, 2208, 2375, 2548, 2727, 2912, 3103, 3300, 3503, 3712, 3927, 4148, 4375, 4608, 4847, 5092, 5343, 5600, 5863]

cp's OEIS Frontend

A140689 a(n) = n(3n + 20).

Table of values

List of values

cp's OEIS Frontend

A140689 a(n) = n*(3*n + 20).

Table of values

List of values

A140689 a(n) = n(3n + 20).