Odd numbers k, not powers of primes, such that sigma(k) == 2 modulo 8 and sigma(sigma(k)) == 6 modulo 8.

A332458

Odd numbers k, not powers of primes, such that sigma(k) == 2 modulo 8 and sigma(sigma(k)) == 6 modulo 8.

Terms

    a(0) =4041a(1) =5193a(2) =15633a(3) =25181a(4) =25497a(5) =26645a(6) =30249a(7) =36441a(8) =36517a(9) =40817a(10) =47045a(11) =53577a(12) =54513a(13) =85697a(14) =87273a(15) =92889a(16) =93393a(17) =94761a(18) =95913a(19) =97281a(20) =111609a(21) =129681a(22) =136233a(23) =143433a(24) =151713a(25) =161257a(26) =162441a(27) =163377a(28) =165897a(29) =171197

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