Numbers k such that isigma(k) = isigma(k+1), where isigma(k) is the sum of the infinitary divisors of k (A049417).

A306985

Numbers k such that isigma(k) = isigma(k+1), where isigma(k) is the sum of the infinitary divisors of k (A049417).

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) =4064a(15) =4544a(16) =5547a(17) =8495a(18) =8636a(19) =8907a(20) =9844a(21) =11515a(22) =15296a(23) =19491a(24) =20145a(25) =20155a(26) =27643a(27) =31724a(28) =33998a(29) =38180

External references