A154909 Decimal expansion of log_4 (18).

2, 0, 8, 4, 9, 6, 2, 5, 0, 0, 7, 2, 1, 1, 5, 6, 1, 8, 1, 4, 5, 3, 7, 3, 8, 9, 4, 3, 9, 4, 7, 8, 1, 6, 5, 0, 8, 7, 5, 9, 8, 1, 4, 4, 0, 7, 6, 9, 2, 4, 8, 1, 0, 6, 0, 4, 5, 5, 7, 5, 2, 6, 5, 4, 5, 4, 1, 0, 9, 8, 2, 2, 7, 7, 9, 4, 3, 5, 8, 5, 6, 2, 5, 2, 2, 2, 8, 0, 4, 7, 4, 9, 1, 8, 0, 8, 8, 2, 4

Offset: 1

Author

N. J. A. Sloane, Oct 30 2009

Keywords

• nonn
• cons

Examples

			2.0849625007211561814537389439478165087598144076924810604557...
		

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000
• Index entries for transcendental numbers

Crossrefs

Cf. A020857 (log_2(3)).

Cf. decimal expansion of log_4(m): A094148 (m=3), A153201 (m=5), A153460 (m=6), A153615 (m=7), A154155 (m=10), A154176 (m=11), A154197 (m=12), A154224 (m=13), A154464 (m=14), A154543 (m=15), A154849 (m=17), this sequence, A155004 (m=19), A155183 (m=20), A155545 (m=21), A155695 (m=22), A155818 (m=23), A155936 (m=24).

Programs

Mathematica

RealDigits[Log[4, 18], 10, 100][[1]] (* Vincenzo Librandi, Aug 30 2013 *)

Formula

Equals A020857+1/2. - R. J. Mathar, Feb 15 2025