Numbers k such that A(k+1) = A(k) + 3, where A() = A005100() are the deficient numbers.

Terms

a(0) =4340a(1) =4494a(2) =5572a(3) =8278a(4) =16351a(5) =16506a(6) =19666a(7) =20614a(8) =29619a(9) =32386a(10) =37349a(11) =42805a(12) =44134a(13) =46183a(14) =52345a(15) =53222a(16) =57553a(17) =58033a(18) =59930a(19) =60966a(20) =61412a(21) =61657a(22) =63553a(23) =63643a(24) =67509a(25) =68925a(26) =73829a(27) =77801a(28) =78888a(29) =80309