A084386 - cp's OEIS frontend

A084386 Number of pairs of rabbits when there are 3 pairs per litter and offspring reach parenthood after 3 gestation periods; a(n) = a(n-1) + 3*a(n-3), with a(0) = a(1) = a(2) = 1.

n	a(n)
0	1
1	1
2	1
3	4
4	7
5	10
6	22
7	43
8	73
9	139
10	268
11	487
12	904
13	1708
14	3169
15	5881
16	11005
17	20512
18	38155
19	71170
20	132706
21	247171
22	460681
23	858799
24	1600312
25	2982355
26	5558752
27	10359688
28	19306753
29	35983009
30	67062073
31	124982332
32	232931359
33	434117578
34	809064574

[1, 1, 1, 4, 7, 10, 22, 43, 73, 139, 268, 487, 904, 1708, 3169, 5881, 11005, 20512, 38155, 71170, 132706, 247171, 460681, 858799, 1600312, 2982355, 5558752, 10359688, 19306753, 35983009, 67062073, 124982332, 232931359, 434117578, 809064574]

cp's OEIS Frontend

A084386 Number of pairs of rabbits when there are 3 pairs per litter and offspring reach parenthood after 3 gestation periods; a(n) = a(n-1) + 3*a(n-3), with a(0) = a(1) = a(2) = 1.

Table of values

List of values