A126273 - cp's OEIS frontend

A126273 a(0) = a(1) = a(2) = 1, a(n) = largest prime <= a(n-1) + a(n-2) + a(n-3).

n	a(n)
0	1
1	1
2	1
3	3
4	5
5	7
6	13
7	23
8	43
9	79
10	139
11	257
12	467
13	863
14	1583
15	2909
16	5351
17	9839
18	18097
19	33287
20	61223
21	112603
22	207113
23	380929
24	700643
25	1288657
26	2370223
27	4359517
28	8018383
29	14748119
30	27126019
31	49892519
32	91766581
33	168785119
34	310444181

[1, 1, 1, 3, 5, 7, 13, 23, 43, 79, 139, 257, 467, 863, 1583, 2909, 5351, 9839, 18097, 33287, 61223, 112603, 207113, 380929, 700643, 1288657, 2370223, 4359517, 8018383, 14748119, 27126019, 49892519, 91766581, 168785119, 310444181]

cp's OEIS Frontend

A126273 a(0) = a(1) = a(2) = 1, a(n) = largest prime <= a(n-1) + a(n-2) + a(n-3).

Table of values

List of values