A005522 - cp's OEIS frontend

A005522 a(n) = 1 + L(n) + F(2n-1) with {L(n)}A000032)%20and%20F(%3Cspan%20class=%22maths%22%3E2n-1)">{n>=0}</span> the Lucas numbers (A000032) and F(<span class="maths">2*n-1){n>=0} the bisected Fibonacci numbers (A001519).

n	a(n)
0	4
1	3
2	6
3	10
4	21
5	46
6	108
7	263
8	658
9	1674
10	4305
11	11146
12	28980
13	75547
14	197262
15	515594
16	1348477
17	3528150
18	9233244
19	24167167
20	63261114
21	165604618
22	433534041
23	1134967250
24	2971318756
25	7778909811
26	20365282518
27	53316730378
28	139584573093
29	365436446014
30	956723886540

[4, 3, 6, 10, 21, 46, 108, 263, 658, 1674, 4305, 11146, 28980, 75547, 197262, 515594, 1348477, 3528150, 9233244, 24167167, 63261114, 165604618, 433534041, 1134967250, 2971318756, 7778909811, 20365282518, 53316730378, 139584573093, 365436446014, 956723886540]

cp's OEIS Frontend

A005522 a(n) = 1 + L(n) + F(2n-1) with {L(n)}A000032)%20and%20F(%3Cspan%20class=%22maths%22%3E2n-1)">{n>=0}</span> the Lucas numbers (A000032) and F(<span class="maths">2*n-1){n>=0} the bisected Fibonacci numbers (A001519).

Table of values

List of values

cp's OEIS Frontend

A005522 a(n) = 1 + L(n) + F(2*n-1) with {L(n)}A000032)%20and%20F(%3Cspan%20class=%22maths%22%3E2*n-1)">{n>=0}</span> the Lucas numbers (A000032) and F(<span class="maths">2*n-1){n>=0} the bisected Fibonacci numbers (A001519).

Table of values

List of values

A005522 a(n) = 1 + L(n) + F(2n-1) with {L(n)}A000032)%20and%20F(%3Cspan%20class=%22maths%22%3E2n-1)">{n>=0}</span> the Lucas numbers (A000032) and F(<span class="maths">2*n-1){n>=0} the bisected Fibonacci numbers (A001519).