A016031 - cp's OEIS frontend

A016031 De Bruijn's sequence: 2^(2^(n-1) - n): number of ways of arranging 2^n bits in circle so all 2^n consecutive strings of length n are distinct.

n	a(n)
1	1
2	1
3	2
4	16
5	2048
6	67108864
7	144115188075855872
8	1329227995784915872903807060280344576
9	226156424291633194186662080095093570025917938800079226639565593765455331328

[1, 1, 2, 16, 2048, 67108864, 144115188075855872, 1329227995784915872903807060280344576, 226156424291633194186662080095093570025917938800079226639565593765455331328]

cp's OEIS Frontend

A016031 De Bruijn's sequence: 2^(2^(n-1) - n): number of ways of arranging 2^n bits in circle so all 2^n consecutive strings of length n are distinct.

Table of values

List of values