A094864 - cp's OEIS frontend

A094864 a(0)=1, a(1)=2, a(2)=6, a(3)=18; for n >= 4, a(n) = 6a(n-1) - 11a(n-2) + 6*a(n-3) - a(n-4).

n	a(n)
0	1
1	2
2	6
3	18
4	53
5	154
6	443
7	1264
8	3582
9	10092
10	28291
11	78962
12	219541
13	608318
14	1680438
15	4629414
16	12722033
17	34882954
18	95451407
19	260698732
20	710802606
21	1934955072
22	5259642751
23	14277467618
24	38707663273
25	104816737274
26	283521290598
27	766112145594
28	2068131437357

[1, 2, 6, 18, 53, 154, 443, 1264, 3582, 10092, 28291, 78962, 219541, 608318, 1680438, 4629414, 12722033, 34882954, 95451407, 260698732, 710802606, 1934955072, 5259642751, 14277467618, 38707663273, 104816737274, 283521290598, 766112145594, 2068131437357]

cp's OEIS Frontend

A094864 a(0)=1, a(1)=2, a(2)=6, a(3)=18; for n >= 4, a(n) = 6a(n-1) - 11a(n-2) + 6*a(n-3) - a(n-4).

Table of values

List of values

cp's OEIS Frontend

A094864 a(0)=1, a(1)=2, a(2)=6, a(3)=18; for n >= 4, a(n) = 6*a(n-1) - 11*a(n-2) + 6*a(n-3) - a(n-4).

Table of values

List of values

A094864 a(0)=1, a(1)=2, a(2)=6, a(3)=18; for n >= 4, a(n) = 6a(n-1) - 11a(n-2) + 6*a(n-3) - a(n-4).