Odd numbers k for which A003961(k) > 2*k and A003961(k)-2*k OR A003961(k)-sigma(k) = A003961(k)-2*k, where OR is bitwise-or (A003986) and A003961 is fully multiplicative with a(p) = nextprime(p).
A388029
Odd numbers k for which A003961(k) > 2*k and A003961(k)-2*k OR A003961(k)-sigma(k) = A003961(k)-2*k, where OR is bitwise-or (A003986) and A003961 is fully multiplicative with a(p) = nextprime(p).
Terms
- a(0) =2205a(1) =3465a(2) =8415a(3) =12285a(4) =18585a(5) =28035a(6) =44415a(7) =66885a(8) =92565a(9) =100035a(10) =102375a(11) =222915a(12) =236925a(13) =314685a(14) =327915a(15) =374535a(16) =394065a(17) =427455a(18) =442365a(19) =517725a(20) =532875a(21) =697515a(22) =810495a(23) =865725a(24) =898425a(25) =928305a(26) =947625a(27) =967575a(28) =1029735a(29) =1055925
External references
- oeis: A388029