A115867 - cp's OEIS frontend

A115867 Number of throws of a fair die to reach a probability of at least 0.5 (50%) to have at least one sequence of n consecutive appearances of a predefined, fixed face.

n	a(n)
1	4
2	30
3	180
4	1078
5	6468
6	38808
7	232845
8	1397067
9	8382394
10	50294353
11	301766110
12	1810596649
13	10863579883
14	65181479283
15	391088875684
16	2346533254087
17	14079199524505
18	84475197147008
19	506851182882025
20	3041107097292125
21	18246642583752723
22	109479855502516309
23	656879133015097824

[4, 30, 180, 1078, 6468, 38808, 232845, 1397067, 8382394, 50294353, 301766110, 1810596649, 10863579883, 65181479283, 391088875684, 2346533254087, 14079199524505, 84475197147008, 506851182882025, 3041107097292125, 18246642583752723, 109479855502516309, 656879133015097824]

cp's OEIS Frontend

A115867 Number of throws of a fair die to reach a probability of at least 0.5 (50%) to have at least one sequence of n consecutive appearances of a predefined, fixed face.

Table of values

List of values