A298412 - cp's OEIS frontend

A298412 a(n) = 2*a(n-1) + a(n-2) + a([n/2]), where a(0) = 1, a(1) = 1, a(2) = 1.

n	a(n)
0	1
1	1
2	1
3	4
4	10
5	25
6	64
7	157
8	388
9	943
10	2299
11	5566
12	13495
13	32620
14	78892
15	190561
16	460402
17	1111753
18	2684851
19	6482398
20	15651946
21	37788589
22	91234690
23	220263535
24	531775255
25	1283827540
26	3099462955
27	7482786070
28	18065113987
29	43613092936
30	105291490420
31	254196264337

[1, 1, 1, 4, 10, 25, 64, 157, 388, 943, 2299, 5566, 13495, 32620, 78892, 190561, 460402, 1111753, 2684851, 6482398, 15651946, 37788589, 91234690, 220263535, 531775255, 1283827540, 3099462955, 7482786070, 18065113987, 43613092936, 105291490420, 254196264337]

cp's OEIS Frontend

A298412 a(n) = 2*a(n-1) + a(n-2) + a([n/2]), where a(0) = 1, a(1) = 1, a(2) = 1.

Table of values

List of values