A217776 - cp's OEIS frontend

A217776 a(n) = n(n+1) + (n+2)(n+3) + (n+4)(n+5) + (n+6)(n+7).

n	a(n)
0	68
1	100
2	140
3	188
4	244
5	308
6	380
7	460
8	548
9	644
10	748
11	860
12	980
13	1108
14	1244
15	1388
16	1540
17	1700
18	1868
19	2044
20	2228
21	2420
22	2620
23	2828
24	3044
25	3268
26	3500
27	3740
28	3988
29	4244
30	4508
31	4780
32	5060
33	5348
34	5644
35	5948
36	6260
37	6580
38	6908
39	7244
40	7588
41	7940
42	8300
43	8668
44	9044
45	9428

[68, 100, 140, 188, 244, 308, 380, 460, 548, 644, 748, 860, 980, 1108, 1244, 1388, 1540, 1700, 1868, 2044, 2228, 2420, 2620, 2828, 3044, 3268, 3500, 3740, 3988, 4244, 4508, 4780, 5060, 5348, 5644, 5948, 6260, 6580, 6908, 7244, 7588, 7940, 8300, 8668, 9044, 9428]

cp's OEIS Frontend

A217776 a(n) = n(n+1) + (n+2)(n+3) + (n+4)(n+5) + (n+6)(n+7).

Table of values

List of values

cp's OEIS Frontend

A217776 a(n) = n*(n+1) + (n+2)*(n+3) + (n+4)*(n+5) + (n+6)*(n+7).

Table of values

List of values

A217776 a(n) = n(n+1) + (n+2)(n+3) + (n+4)(n+5) + (n+6)(n+7).