A359457 Continued fraction for constant A359456.
0, 9, 11, 99, 1, 10, 9, 999999999999999999, 1, 8, 10, 1, 99, 11, 9
Offset: 0
Formula
a(n) = 1 if and only if n in A317331,
a(n) = 8 if and only if n in A317332,
a(n) = 9 if and only if n in A317333,
a(n) = 10 if and only if n = 8*m - 6 + 3*(m mod 2) for m > 0,
a(n) = 11 if and only if n = 8*m - 3 - 3*(m mod 2) for m > 0,
a(n) = 10^A359458(m-1)-1 if and only if n in {2^m*(1+k*4) - 1 | k >= 0} union {2^m*(3+k*4) | k >= 0} for m > 1.
Comments