Self-describing numbers: reading the number gives a (possibly redundant) description of the number.

A109776

Self-describing numbers: reading the number gives a (possibly redundant) description of the number.

Terms

    a(0) =22a(1) =4444a(2) =224444a(3) =442244a(4) =444422a(5) =666666a(6) =10123133a(7) =10123331a(8) =10143133a(9) =10143331a(10) =10153133a(11) =10153331a(12) =10163133a(13) =10163331a(14) =10173133a(15) =10173331a(16) =10183133a(17) =10183331a(18) =10193133a(19) =10193331a(20) =10212332a(21) =10213223a(22) =10232132

External references