Numbers k such that the concatenation in increasing order of their prime factors, with multiplicity, is congruent to 1 (mod k).
A349705
Numbers k such that the concatenation in increasing order of their prime factors, with multiplicity, is congruent to 1 (mod k).
Terms
- a(0) =36a(1) =39a(2) =66a(3) =1435a(4) =5714a(5) =6410a(6) =13861a(7) =22564a(8) =27346a(9) =33137a(10) =45542a(11) =79260a(12) =171860a(13) =268218a(14) =442068a(15) =486127a(16) =675423a(17) =2287527a(18) =3710027a(19) =9610766a(20) =14318290a(21) =26293568a(22) =29361702a(23) =49703324a(24) =227358366a(25) =433100023a(26) =442960845a(27) =479174118a(28) =1221238938a(29) =1243718114
External references
- oeis: A349705