a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 1's.
A048531
a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 1's.
Terms
- a(0) =3a(1) =10a(2) =105a(3) =1010a(4) =10203a(5) =33928a(6) =105551a(7) =335128a(8) =1054130a(9) =12313046a(10) =100573943a(11) =333192303a(12) =1054092885a(13) =4261585525a(14) =30184681729a(15) =133083117303a(16) =331829837885
External references
- oeis: A048531