Irregular triangle in which row n has primitive numbers k such that 1/k is in the Cantor set and the fraction 1/k has period n.
A173800
Irregular triangle in which row n has primitive numbers k such that 1/k is in the Cantor set and the fraction 1/k has period n.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =10a(4) =40a(5) =121a(6) =28a(7) =91a(8) =364a(9) =1093a(10) =82a(11) =328a(12) =820a(13) =3280a(14) =757a(15) =9841a(16) =244a(17) =7381a(18) =29524a(19) =88573a(20) =730a(21) =949a(22) =2920a(23) =6643a(24) =9490a(25) =20440a(26) =26572a(27) =66430a(28) =265720a(29) =797161
External references
- oeis: A173800