A000078 - cp's OEIS frontend

A000078 Tetranacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) for n >= 4 with a(0) = a(1) = a(2) = 0 and a(3) = 1.

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	2
6	4
7	8
8	15
9	29
10	56
11	108
12	208
13	401
14	773
15	1490
16	2872
17	5536
18	10671
19	20569
20	39648
21	76424
22	147312
23	283953
24	547337
25	1055026
26	2033628
27	3919944
28	7555935
29	14564533
30	28074040
31	54114452
32	104308960
33	201061985
34	387559437
35	747044834
36	1439975216
37	2775641472

[0, 0, 0, 1, 1, 2, 4, 8, 15, 29, 56, 108, 208, 401, 773, 1490, 2872, 5536, 10671, 20569, 39648, 76424, 147312, 283953, 547337, 1055026, 2033628, 3919944, 7555935, 14564533, 28074040, 54114452, 104308960, 201061985, 387559437, 747044834, 1439975216, 2775641472]

cp's OEIS Frontend

A000078 Tetranacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) for n >= 4 with a(0) = a(1) = a(2) = 0 and a(3) = 1.

Table of values

List of values