A019480 - cp's OEIS frontend

A019480 Define the sequence S(a(0),a(1)) by a(n+2) is the least integer such that a(n+2)/a(n+1) > a(n+1)/a(n) for n >= 0. This is S(4,12) (agrees with A019481 for n <= 19 only).

n	a(n)
0	4
1	12
2	37
3	115
4	358
5	1115
6	3473
7	10818
8	33697
9	104963
10	326950
11	1018419
12	3172281
13	9881362
14	30779529
15	95875387
16	298642966
17	930245227
18	2897627873
19	9025842914
20	28114666162
21	87574585658
22	272786737320
23	849705465331
24	2646753962113
25	8244393877392
26	25680524664755

[4, 12, 37, 115, 358, 1115, 3473, 10818, 33697, 104963, 326950, 1018419, 3172281, 9881362, 30779529, 95875387, 298642966, 930245227, 2897627873, 9025842914, 28114666162, 87574585658, 272786737320, 849705465331, 2646753962113, 8244393877392, 25680524664755]

cp's OEIS Frontend

A019480 Define the sequence S(a(0),a(1)) by a(n+2) is the least integer such that a(n+2)/a(n+1) > a(n+1)/a(n) for n >= 0. This is S(4,12) (agrees with A019481 for n <= 19 only).

Table of values

List of values