Numbers k that are the products of two distinct primes such that 2*k-1, 4*k-3, 8*k-7, 16*k-15 and 32*k-31 are also products of two distinct primes.
A177214
Numbers k that are the products of two distinct primes such that 2*k-1, 4*k-3, 8*k-7, 16*k-15 and 32*k-31 are also products of two distinct primes.
Terms
- a(0) =634a(1) =694a(2) =1387a(3) =1942a(4) =3403a(5) =4714a(6) =5062a(7) =5269a(8) =5353a(9) =5617a(10) =6805a(11) =7495a(12) =8587a(13) =9427a(14) =9847a(15) =10018a(16) =10123a(17) =10705a(18) =10942a(19) =11293a(20) =12139a(21) =13162a(22) =13798a(23) =14191a(24) =14989a(25) =15406a(26) =17197a(27) =19735a(28) =20866a(29) =21439
External references
- oeis: A177214