Numbers k such that k concatenated with k+9 gives the product of two numbers which differ by 8.

A116223

Numbers k such that k concatenated with k+9 gives the product of two numbers which differ by 8.

Terms

    a(0) =136a(1) =399a(2) =600a(3) =744a(4) =8184a(5) =66951a(6) =134199a(7) =401536a(8) =5289264a(9) =12456744a(10) =41868519a(11) =113342199a(12) =115655064a(13) =142598664a(14) =160143051a(15) =206611575a(16) =227626176a(17) =273422475a(18) =297520656a(19) =359785504a(20) =387353899a(21) =435493131a(22) =440015536

External references