Numbers with decimal expansion d_1, ..., d_w such that for any k in 1..w there is some m in 1..w such that d_k = d_m = abs(k - m).

A336880

Numbers with decimal expansion d_1, ..., d_w such that for any k in 1..w there is some m in 1..w such that d_k = d_m = abs(k - m).

Terms

    a(0) =0a(1) =11a(2) =110a(3) =111a(4) =202a(5) =1100a(6) =1110a(7) =1111a(8) =2020a(9) =2222a(10) =3003a(11) =3113a(12) =11000a(13) =11011a(14) =11100a(15) =11110a(16) =11111a(17) =11202a(18) =20200a(19) =20202a(20) =20211a(21) =22220a(22) =22222a(23) =23203a(24) =30030a(25) =30232a(26) =31130a(27) =33033a(28) =40004a(29) =40114

External references