First gap of length at least n in A007951, lower end.

A139387

First gap of length at least n in A007951, lower end.

Terms

    a(0) =2a(1) =11a(2) =133a(3) =497a(4) =4963a(5) =34486a(6) =68978a(7) =14877929a(8) =6186632564a(9) =6186632564

External references