A275778 - cp's OEIS frontend

A275778 Tribonacci-like sequence a(n) = a(n-1) + a(n-2) + a(n-3) for n >= 3, with a(0) = 1, a(1) = 2, a(2) = 1.

n	a(n)
0	1
1	2
2	1
3	4
4	7
5	12
6	23
7	42
8	77
9	142
10	261
11	480
12	883
13	1624
14	2987
15	5494
16	10105
17	18586
18	34185
19	62876
20	115647
21	212708
22	391231
23	719586
24	1323525
25	2434342
26	4477453
27	8235320
28	15147115
29	27859888
30	51242323
31	94249326
32	173351537
33	318843186
34	586444049

[1, 2, 1, 4, 7, 12, 23, 42, 77, 142, 261, 480, 883, 1624, 2987, 5494, 10105, 18586, 34185, 62876, 115647, 212708, 391231, 719586, 1323525, 2434342, 4477453, 8235320, 15147115, 27859888, 51242323, 94249326, 173351537, 318843186, 586444049]

cp's OEIS Frontend

A275778 Tribonacci-like sequence a(n) = a(n-1) + a(n-2) + a(n-3) for n >= 3, with a(0) = 1, a(1) = 2, a(2) = 1.

Table of values

List of values