0,2

I interpret A082521 to mean that A082521(n) has at least 2n+1 central zeros. If we require exactly 2n+1 central zeros, then a(21) is 329 instead of 140, a(41) is 328 instead of 310 and a(55) is 182 instead of 170.

Table of n, a(n) for n=0..59.

Sequence in context: A135024 A173036 A241749 * A293817 A296795 A079831

Adjacent sequences: A098042 A098043 A098044 * A098046 A098047 A098048

base,easy,nonn,less

David Wasserman, Sep 10 2004

approved