A080048 - cp's OEIS frontend

A080048 Operation count to create all permutations of n distinct elements using Algorithm L (lexicographic permutation generation) from Knuth's The Art of Computer Programming, Vol. 4, chapter 7.2.1.2. Sequence gives number of loop repetitions in reversal step.

n	a(n)
2	1
3	7
4	34
5	182
6	1107
7	7773
8	62212
9	559948
10	5599525
11	61594835
12	739138086
13	9608795202
14	134523132919
15	2017846993897
16	32285551902472
17	548854382342168
18	9879378882159177
19	187708198761024543
20	3754163975220491050

[1, 7, 34, 182, 1107, 7773, 62212, 559948, 5599525, 61594835, 739138086, 9608795202, 134523132919, 2017846993897, 32285551902472, 548854382342168, 9879378882159177, 187708198761024543, 3754163975220491050]

cp's OEIS Frontend

A080048 Operation count to create all permutations of n distinct elements using Algorithm L (lexicographic permutation generation) from Knuth's The Art of Computer Programming, Vol. 4, chapter 7.2.1.2. Sequence gives number of loop repetitions in reversal step.

Table of values

List of values