A240818 - cp's OEIS frontend

A240818 a(n) = length (or lifetime) of the meta-Fibonacci sequence f(k) = k for k <= n; f(k)=f(k-f(k-1))+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)
1	6
2	0
3	162
4	0
5	56
6	2349
7	276
8	1300
9	84
10	1245
11	356
12	408
13	486
14	470
15	764
16	1172
17	258
18	356
19	805
20	819
21	1078
22	2099
23	470
24	2593
25	662
26	1170
27	665
28	1085
29	2104
30	1417
31	724
32	1196
33	1247
34	1628
35	648
36	2240
37	712
38	2304
39	1836
40	1424
41	1082
42	2759
43	1264
44	1570
45	2235
46	1512
47	1442
48	2447

[6, 0, 162, 0, 56, 2349, 276, 1300, 84, 1245, 356, 408, 486, 470, 764, 1172, 258, 356, 805, 819, 1078, 2099, 470, 2593, 662, 1170, 665, 1085, 2104, 1417, 724, 1196, 1247, 1628, 648, 2240, 712, 2304, 1836, 1424, 1082, 2759, 1264, 1570, 2235, 1512, 1442, 2447]

cp's OEIS Frontend

A240818 a(n) = length (or lifetime) of the meta-Fibonacci sequence f(k) = k for k <= n; f(k)=f(k-f(k-1))+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