a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 3's.
A048535
a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 3's.
Terms
- a(0) =5a(1) =36a(2) =182a(3) =1817a(4) =4830a(5) =5773a(6) =153079a(7) =577355a(8) =3659694a(9) =18366636a(10) =182574188a(11) =576484036a(12) =1839384036a(13) =17701331569a(14) =36542213005a(15) =485935528988
External references
- oeis: A048535