A025507 Least k such that the first k terms of A006928 contain n more 2's than 1's.

11, 92, 377, 470, 6351, 6968, 7175, 7268, 7565, 7970, 20337, 20370, 21981, 22008, 25637, 25664, 25691, 27968, 39183, 39210, 42397, 43128, 43149, 48636, 48729, 48756, 49013, 49040, 49067, 49094, 49863, 50080, 50089, 50386, 50413, 50958, 51343, 52242

Offset: 1

Author

David W. Wilson

Keywords

• nonn

Comments

a(n)=i => i is the smallest index such that A088568(i)=-n. - Paolo Bonzini, Jul 06 2016.

Links

• Paolo Bonzini, Table of n, a(n) for n = 1..86

Crossrefs

Cf. A006928, A088568, A025506, A274775.