0,2
High water marks in A151723.
Table of n, a(n) for n=0..10.
a(n) = 6*A169781(n) -6*2^n + 1.
Cf. A151723, A169781.
Sequence in context: A153005 A056909 A002147 * A083420 A036282 A033474
Adjacent sequences: A169782 A169783 A169784 * A169786 A169787 A169788
nonn
N. J. A. Sloane, May 12 2010
approved
