A181717 - cp's OEIS frontend

A181717 Fibonacci-Collatz sequence: a(1)=0, a(2)=1; for n>2, let fib=a(n-1)+a(n-2); if fib is odd then a(n)=3*fib+1 else a(n)=fib/2.

n	a(n)
1	0
2	1
3	4
4	16
5	10
6	13
7	70
8	250
9	160
10	205
11	1096
12	3904
13	2500
14	3202
15	2851
16	18160
17	63034
18	40597
19	310894
20	1054474
21	682684
22	868579
23	4653790
24	16567108
25	10610449
26	81532672
27	276429364
28	178981018
29	227705191
30	1220058628
31	4343291458
32	2781675043
33	21374899504
34	72469723642

[0, 1, 4, 16, 10, 13, 70, 250, 160, 205, 1096, 3904, 2500, 3202, 2851, 18160, 63034, 40597, 310894, 1054474, 682684, 868579, 4653790, 16567108, 10610449, 81532672, 276429364, 178981018, 227705191, 1220058628, 4343291458, 2781675043, 21374899504, 72469723642]

cp's OEIS Frontend

A181717 Fibonacci-Collatz sequence: a(1)=0, a(2)=1; for n>2, let fib=a(n-1)+a(n-2); if fib is odd then a(n)=3*fib+1 else a(n)=fib/2.

Table of values

List of values