Numbers k such that both k and k + 3 are consecutive deficient numbers.

Terms

a(0) =5774a(1) =5983a(2) =7423a(3) =11023a(4) =21734a(5) =21943a(6) =26143a(7) =27403a(8) =39374a(9) =43063a(10) =49663a(11) =56923a(12) =58694a(13) =61423a(14) =69614a(15) =70783a(16) =76543a(17) =77174a(18) =79694a(19) =81079a(20) =81674a(21) =82003a(22) =84523a(23) =84643a(24) =89774a(25) =91663a(26) =98174a(27) =103454a(28) =104894a(29) =106783