Numbers k such that bsigma(k) = bsigma(k+1), where bsigma(k) is the sum of the bi-unitary divisors of k (A188999).
A293183
Numbers k such that bsigma(k) = bsigma(k+1), where bsigma(k) is the sum of the bi-unitary divisors of k (A188999).
Terms
- a(0) =14a(1) =27a(2) =44a(3) =459a(4) =620a(5) =957a(6) =1334a(7) =1634a(8) =1652a(9) =2204a(10) =2685a(11) =3195a(12) =3451a(13) =3956a(14) =5547a(15) =8636a(16) =8907a(17) =9844a(18) =11515a(19) =11745a(20) =16874a(21) =19491a(22) =20145a(23) =20155a(24) =27643a(25) =31724a(26) =33998a(27) =38180a(28) =41265a(29) =41547
External references
- oeis: A293183