A002798 - cp's OEIS frontend

A002798 a(n) = a(n-1) + a(n-2) - a(n-3).

n	a(n)
1	18
2	45
3	69
4	96
5	120
6	147
7	171
8	198
9	222
10	249
11	273
12	300
13	324
14	351
15	375
16	402
17	426
18	453
19	477
20	504
21	528
22	555
23	579
24	606
25	630
26	657
27	681
28	708
29	732
30	759
31	783
32	810
33	834
34	861
35	885
36	912
37	936
38	963
39	987
40	1014
41	1038
42	1065
43	1089

[18, 45, 69, 96, 120, 147, 171, 198, 222, 249, 273, 300, 324, 351, 375, 402, 426, 453, 477, 504, 528, 555, 579, 606, 630, 657, 681, 708, 732, 759, 783, 810, 834, 861, 885, 912, 936, 963, 987, 1014, 1038, 1065, 1089]

cp's OEIS Frontend

A002798 a(n) = a(n-1) + a(n-2) - a(n-3).

Table of values

List of values