A102000 - cp's OEIS frontend

A102000 a(0),...,a(3) = 1, 2, 4, 8; thereafter a(n) = a(n-1) + 2a(n-2) + 4a(n-3) + 8*a(n-4), n>3.

n	a(n)
0	1
1	2
2	4
3	8
4	32
5	80
6	208
7	560
8	1552
9	4144
10	11152
11	30128
12	81424
13	219440
14	592016
15	1597616
16	4310800
17	11629616
18	31377808
19	84661168
20	228421648
21	616292144
22	1662802576
23	4486362800
24	12104509712
25	32658782768
26	88115674000
27	237742180784

[1, 2, 4, 8, 32, 80, 208, 560, 1552, 4144, 11152, 30128, 81424, 219440, 592016, 1597616, 4310800, 11629616, 31377808, 84661168, 228421648, 616292144, 1662802576, 4486362800, 12104509712, 32658782768, 88115674000, 237742180784]

cp's OEIS Frontend

A102000 a(0),...,a(3) = 1, 2, 4, 8; thereafter a(n) = a(n-1) + 2a(n-2) + 4a(n-3) + 8*a(n-4), n>3.

Table of values

List of values

cp's OEIS Frontend

A102000 a(0),...,a(3) = 1, 2, 4, 8; thereafter a(n) = a(n-1) + 2*a(n-2) + 4*a(n-3) + 8*a(n-4), n>3.

Table of values

List of values

A102000 a(0),...,a(3) = 1, 2, 4, 8; thereafter a(n) = a(n-1) + 2a(n-2) + 4a(n-3) + 8*a(n-4), n>3.