A335242 - cp's OEIS frontend

A335242 a(n) = 2*a(n-1) + a(n-3) for n >= 4, with initial values a(0) = 1, a(1) = 0, a(2) = 2, and a(3) = 3.

n	a(n)
0	1
1	0
2	2
3	3
4	6
5	14
6	31
7	68
8	150
9	331
10	730
11	1610
12	3551
13	7832
14	17274
15	38099
16	84030
17	185334
18	408767
19	901564
20	1988462
21	4385691
22	9672946
23	21334354
24	47054399
25	103781744
26	228897842
27	504850083
28	1113481910
29	2455861662
30	5416573407
31	11946628724
32	26349119110
33	58114811627

[1, 0, 2, 3, 6, 14, 31, 68, 150, 331, 730, 1610, 3551, 7832, 17274, 38099, 84030, 185334, 408767, 901564, 1988462, 4385691, 9672946, 21334354, 47054399, 103781744, 228897842, 504850083, 1113481910, 2455861662, 5416573407, 11946628724, 26349119110, 58114811627]

cp's OEIS Frontend

A335242 a(n) = 2*a(n-1) + a(n-3) for n >= 4, with initial values a(0) = 1, a(1) = 0, a(2) = 2, and a(3) = 3.

Table of values

List of values