Numbers k such that sum of distinct primes dividing k is equal to the sum of proper divisors of k+1.

A354603

Numbers k such that sum of distinct primes dividing k is equal to the sum of proper divisors of k+1.

Terms

    a(0) =3a(1) =7a(2) =14a(3) =31a(4) =127a(5) =206a(6) =2974a(7) =8191a(8) =19358a(9) =20490a(10) =131071a(11) =147454a(12) =286122a(13) =289650a(14) =292332a(15) =441276a(16) =524287a(17) =909498a(18) =1207358a(19) =1657968a(20) =1782540a(21) =2490042a(22) =3368860a(23) =9274806a(24) =11367402a(25) =14107852a(26) =16776156a(27) =18589386a(28) =22910988a(29) =24450316

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