A271927 Records in A268868.

1, 2, 4, 6, 9, 23, 25, 71, 73, 263, 265, 911, 913, 5021, 5023, 23291, 23293, 41359, 152681, 152683, 285985, 857951, 857953, 1517571, 1873772, 2498606, 11032457, 11032459, 16576383, 50600183, 50600185, 58908616, 235819403, 235819405, 707458211, 707458213, 1160837269, 3482511803, 3482511805

Offset

1,2

Links

R. J. Mathar, Table of n, a(n) for n = 1..144

Formula

a(n) = A268868(A271928(n)). - R. J. Mathar, May 06 2016

Crossrefs

Cf. A268868, A271928.

Sequence in context: A192316 A049912 A268868 * A227526 A093081 A242521

Adjacent sequences: A271924 A271925 A271926 * A271928 A271929 A271930

Keyword

nonn

Author

N. J. A. Sloane, May 04 2016

Status

approved