login
A037054
a(n)-th prime is the smallest prime containing exactly n 1's.
1
1, 6, 5, 187, 1242, 9682, 86538, 733339, 5821735, 56196114, 503193257, 4161915701, 41621368333, 383118399789
OFFSET
0,2
MATHEMATICA
(* see A037055 for f *) PrimePi[ Table[ f[n, 1], {n, 1, 13}]]
CROSSREFS
Sequence in context: A266980 A130554 A291067 * A284740 A155797 A303920
KEYWORD
nonn,base,hard
AUTHOR
Patrick De Geest, Jan 04 1999
EXTENSIONS
a(0)=1 prepended by Sean A. Irvine, Dec 06 2020
STATUS
approved