A122997 - cp's OEIS frontend

A122997 Pentanacci numbers for following initial values: a(0) = 1, a(1) = -1, a(2) = 1, a(3) = -1, a(4) = 1.

n	a(n)
0	1
1	-1
2	1
3	-1
4	1
5	1
6	1
7	3
8	5
9	11
10	21
11	41
12	81
13	159
14	313
15	615
16	1209
17	2377
18	4673
19	9187
20	18061
21	35507
22	69805
23	137233
24	269793
25	530399
26	1042737
27	2049967
28	4030129
29	7923025
30	15576257
31	30622115
32	60201493
33	118353019
34	232675909
35	457428793
36	899281329
37	1767940543
38	3475679593
39	6833006167
40	13433336425

[1, -1, 1, -1, 1, 1, 1, 3, 5, 11, 21, 41, 81, 159, 313, 615, 1209, 2377, 4673, 9187, 18061, 35507, 69805, 137233, 269793, 530399, 1042737, 2049967, 4030129, 7923025, 15576257, 30622115, 60201493, 118353019, 232675909, 457428793, 899281329, 1767940543, 3475679593, 6833006167, 13433336425]

cp's OEIS Frontend

A122997 Pentanacci numbers for following initial values: a(0) = 1, a(1) = -1, a(2) = 1, a(3) = -1, a(4) = 1.

Table of values

List of values