A002789 - cp's OEIS frontend

A002789 Number of integer points in a certain quadrilateral scaled by a factor of n.

n	a(n)
1	2
2	4
3	7
4	11
5	16
6	21
7	28
8	35
9	43
10	52
11	62
12	72
13	84
14	96
15	109
16	123
17	138
18	153
19	170
20	187
21	205
22	224
23	244
24	264
25	286
26	308
27	331
28	355
29	380
30	405
31	432
32	459
33	487
34	516
35	546
36	576
37	608
38	640
39	673
40	707
41	742
42	777
43	814
44	851
45	889
46	928
47	968
48	1008
49	1050
50	1092
51	1135
52	1179
53	1224
54	1269

[2, 4, 7, 11, 16, 21, 28, 35, 43, 52, 62, 72, 84, 96, 109, 123, 138, 153, 170, 187, 205, 224, 244, 264, 286, 308, 331, 355, 380, 405, 432, 459, 487, 516, 546, 576, 608, 640, 673, 707, 742, 777, 814, 851, 889, 928, 968, 1008, 1050, 1092, 1135, 1179, 1224, 1269]

cp's OEIS Frontend

A002789 Number of integer points in a certain quadrilateral scaled by a factor of n.

Table of values

List of values