A137247 - cp's OEIS frontend

A137247 a(n) = 4a(n-1) - 6a(n-2) + 6a(n-3) - 3a(n-4), with initial terms 0, 0, 0, 1.

n	a(n)
0	0
1	0
2	0
3	1
4	4
5	10
6	22
7	49
8	112
9	256
10	580
11	1309
12	2956
13	6682
14	15106
15	34141
16	77152
17	174352
18	394024
19	890473
20	2012404
21	4547866
22	10277806
23	23227033
24	52491280
25	118626160
26	268085740
27	605852581
28	1369179004
29	3094236490
30	6992730202
31	15803018149

[0, 0, 0, 1, 4, 10, 22, 49, 112, 256, 580, 1309, 2956, 6682, 15106, 34141, 77152, 174352, 394024, 890473, 2012404, 4547866, 10277806, 23227033, 52491280, 118626160, 268085740, 605852581, 1369179004, 3094236490, 6992730202, 15803018149]

cp's OEIS Frontend

A137247 a(n) = 4a(n-1) - 6a(n-2) + 6a(n-3) - 3a(n-4), with initial terms 0, 0, 0, 1.

Table of values

List of values

cp's OEIS Frontend

A137247 a(n) = 4*a(n-1) - 6*a(n-2) + 6*a(n-3) - 3*a(n-4), with initial terms 0, 0, 0, 1.

Table of values

List of values

A137247 a(n) = 4a(n-1) - 6a(n-2) + 6a(n-3) - 3a(n-4), with initial terms 0, 0, 0, 1.