A307688 - cp's OEIS frontend

A307688 a(n) = 2a(n-1)-2a(n-2)+a(n-3)+2*a(n-4) with a(0)=a(1)=0, a(2)=2, a(3)=3.

n	a(n)
0	0
1	0
2	2
3	3
4	2
5	0
6	3
7	14
8	26
9	27
10	22
11	44
12	123
13	234
14	310
15	363
16	586
17	1224
18	2259
19	3382
20	4642
21	7227
22	13070
23	23092
24	36555
25	54450
26	85022
27	143883
28	245282
29	396720
30	616803
31	973214
32	1600106
33	2664027
34	4334662
35	6887804
36	10970523
37	17828154
38	29272390
39	47634603
40	76493626

[0, 0, 2, 3, 2, 0, 3, 14, 26, 27, 22, 44, 123, 234, 310, 363, 586, 1224, 2259, 3382, 4642, 7227, 13070, 23092, 36555, 54450, 85022, 143883, 245282, 396720, 616803, 973214, 1600106, 2664027, 4334662, 6887804, 10970523, 17828154, 29272390, 47634603, 76493626]

cp's OEIS Frontend

A307688 a(n) = 2a(n-1)-2a(n-2)+a(n-3)+2*a(n-4) with a(0)=a(1)=0, a(2)=2, a(3)=3.

Table of values

List of values

cp's OEIS Frontend

A307688 a(n) = 2*a(n-1)-2*a(n-2)+a(n-3)+2*a(n-4) with a(0)=a(1)=0, a(2)=2, a(3)=3.

Table of values

List of values

A307688 a(n) = 2a(n-1)-2a(n-2)+a(n-3)+2*a(n-4) with a(0)=a(1)=0, a(2)=2, a(3)=3.