A240819 - cp's OEIS frontend

A240819 a(n) = length (or lifetime) of the meta-Fibonacci sequence f(k) = k for k <= n; f(k)=f(k-f(k-2))+f(k-f(k-n)) if that sequence is only defined for finitely many terms, or 0 if that sequence is infinite.

n	a(n)
2	13
3	29
4	0
5	29
6	24
7	50
8	0
9	332
10	56
11	848
12	2936
13	140
14	370
15	605
16	1514
17	532
18	169
19	360
20	1784
21	514
22	713
23	279
24	817
25	945
26	973
27	949
28	932
29	444
30	1529
31	420
32	2345
33	628
34	517
35	913
36	713
37	738
38	1611
39	1066
40	1639
41	727
42	1256
43	1140
44	1336
45	718
46	941
47	907
48	2272
49	606
50	1152
51	2091
52	2341

[13, 29, 0, 29, 24, 50, 0, 332, 56, 848, 2936, 140, 370, 605, 1514, 532, 169, 360, 1784, 514, 713, 279, 817, 945, 973, 949, 932, 444, 1529, 420, 2345, 628, 517, 913, 713, 738, 1611, 1066, 1639, 727, 1256, 1140, 1336, 718, 941, 907, 2272, 606, 1152, 2091, 2341]

cp's OEIS Frontend

A240819 a(n) = length (or lifetime) of the meta-Fibonacci sequence f(k) = k for k <= n; f(k)=f(k-f(k-2))+f(k-f(k-n)) if that sequence is only defined for finitely many terms, or 0 if that sequence is infinite.

Table of values

List of values