A059270 - cp's OEIS frontend

A059270 a(n) is both the sum of n+1 consecutive integers and the sum of the n immediately higher consecutive integers.

n	a(n)
0	0
1	3
2	15
3	42
4	90
5	165
6	273
7	420
8	612
9	855
10	1155
11	1518
12	1950
13	2457
14	3045
15	3720
16	4488
17	5355
18	6327
19	7410
20	8610
21	9933
22	11385
23	12972
24	14700
25	16575
26	18603
27	20790
28	23142
29	25665
30	28365
31	31248
32	34320
33	37587
34	41055
35	44730
36	48618
37	52725
38	57057
39	61620

[0, 3, 15, 42, 90, 165, 273, 420, 612, 855, 1155, 1518, 1950, 2457, 3045, 3720, 4488, 5355, 6327, 7410, 8610, 9933, 11385, 12972, 14700, 16575, 18603, 20790, 23142, 25665, 28365, 31248, 34320, 37587, 41055, 44730, 48618, 52725, 57057, 61620]

cp's OEIS Frontend

A059270 a(n) is both the sum of n+1 consecutive integers and the sum of the n immediately higher consecutive integers.

Table of values

List of values