a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 6's.
A048541
a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 6's.
Terms
- a(0) =2a(1) =60a(2) =257a(3) =816a(4) =4082a(5) =77887a(6) =258237a(7) =816512a(8) =4546060a(9) =25820081a(10) =103276578a(11) =815209584a(12) =816472087a(13) =2581876578a(14) =24834787435a(15) =258140787487
External references
- oeis: A048541