A306276 - cp's OEIS frontend

A306276 a(0) = a(1) = a(2) = a(3) = 1; thereafter a(n) = a(n-2) + a(n-3) + a(n-4).

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	3
6	5
7	7
8	11
9	15
10	23
11	33
12	49
13	71
14	105
15	153
16	225
17	329
18	483
19	707
20	1037
21	1519
22	2227
23	3263
24	4783
25	7009
26	10273
27	15055
28	22065
29	32337
30	47393
31	69457
32	101795
33	149187
34	218645
35	320439
36	469627
37	688271
38	1008711
39	1478337
40	2166609
41	3175319
42	4653657
43	6820265

[1, 1, 1, 1, 3, 3, 5, 7, 11, 15, 23, 33, 49, 71, 105, 153, 225, 329, 483, 707, 1037, 1519, 2227, 3263, 4783, 7009, 10273, 15055, 22065, 32337, 47393, 69457, 101795, 149187, 218645, 320439, 469627, 688271, 1008711, 1478337, 2166609, 3175319, 4653657, 6820265]

cp's OEIS Frontend

A306276 a(0) = a(1) = a(2) = a(3) = 1; thereafter a(n) = a(n-2) + a(n-3) + a(n-4).

Table of values

List of values