A156169 A bisection of A002437.

7, 33367, 2237423527, 715153093789687, 698774745485355051847, 1632180870878422847476890007, 7791592461957309952817483706344167, 68182479037890270018102486211434811414327, 1009677846565093510000577124729596523472890660487, 23798205151780687193785106278522250169201817256662802647

Offset

0,1

Links

Table of n, a(n) for n=0..9.

Crossrefs

Sequence in context: A249765 A201037 A300200 * A158898 A210846 A068251

Adjacent sequences: A156166 A156167 A156168 * A156170 A156171 A156172

Keyword

nonn

Author

N. J. A. Sloane, Nov 06 2009

Status

approved