A335274 - cp's OEIS frontend

A335274 a(n) = 2*a(n-1) + a(n-3), where a(0) = 0, a(1) = 1, a(2) = 4.

n	a(n)
0	0
1	1
2	4
3	8
4	17
5	38
6	84
7	185
8	408
9	900
10	1985
11	4378
12	9656
13	21297
14	46972
15	103600
16	228497
17	503966
18	1111532
19	2451561
20	5407088
21	11925708
22	26302977
23	58013042
24	127951792
25	282206561
26	622426164
27	1372804120
28	3027814801
29	6678055766
30	14728915652
31	32485646105
32	71649347976

[0, 1, 4, 8, 17, 38, 84, 185, 408, 900, 1985, 4378, 9656, 21297, 46972, 103600, 228497, 503966, 1111532, 2451561, 5407088, 11925708, 26302977, 58013042, 127951792, 282206561, 622426164, 1372804120, 3027814801, 6678055766, 14728915652, 32485646105, 71649347976]

cp's OEIS Frontend

A335274 a(n) = 2*a(n-1) + a(n-3), where a(0) = 0, a(1) = 1, a(2) = 4.

Table of values

List of values