A024305 - cp's OEIS frontend

A024305 a(n) = 2(n+1) + 3n + ... + (k+1)*(n+2-k), where k = floor((n+1)/2).

n	a(n)
1	4
2	6
3	17
4	22
5	43
6	52
7	86
8	100
9	150
10	170
11	239
12	266
13	357
14	392
15	508
16	552
17	696
18	750
19	925
20	990
21	1199
22	1276
23	1522
24	1612
25	1898
26	2002
27	2331
28	2450
29	2825
30	2960
31	3384
32	3536
33	4012
34	4182
35	4713
36	4902
37	5491
38	5700
39	6350
40	6580
41	7294
42	7546
43	8327
44	8602
45	9453
46	9752
47	10676
48	11000
49	12000

[4, 6, 17, 22, 43, 52, 86, 100, 150, 170, 239, 266, 357, 392, 508, 552, 696, 750, 925, 990, 1199, 1276, 1522, 1612, 1898, 2002, 2331, 2450, 2825, 2960, 3384, 3536, 4012, 4182, 4713, 4902, 5491, 5700, 6350, 6580, 7294, 7546, 8327, 8602, 9453, 9752, 10676, 11000, 12000]

cp's OEIS Frontend

A024305 a(n) = 2(n+1) + 3n + ... + (k+1)*(n+2-k), where k = floor((n+1)/2).

Table of values

List of values

cp's OEIS Frontend

A024305 a(n) = 2*(n+1) + 3*n + ... + (k+1)*(n+2-k), where k = floor((n+1)/2).

Table of values

List of values

A024305 a(n) = 2(n+1) + 3n + ... + (k+1)*(n+2-k), where k = floor((n+1)/2).