Number of penholodigital squares (containing each nonzero digit exactly once) in base n.
A370950
Number of penholodigital squares (containing each nonzero digit exactly once) in base n.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =2a(5) =1a(6) =1a(7) =10a(8) =30a(9) =20a(10) =23a(11) =0a(12) =160a(13) =419a(14) =740a(15) =0a(16) =5116a(17) =47677
External references
- oeis: A370950