Numbers m such that gcd(A001008(m), m) > 1, in increasing order.

Terms

a(0) =20a(1) =42a(2) =77a(3) =110a(4) =156a(5) =272a(6) =342a(7) =506a(8) =812a(9) =930a(10) =1247a(11) =1332a(12) =1640a(13) =1806a(14) =2162a(15) =2756a(16) =3422a(17) =3660a(18) =4422a(19) =4970a(20) =5256a(21) =6162a(22) =6806a(23) =7832a(24) =9312a(25) =9328a(26) =10100a(27) =10506a(28) =11342a(29) =11772