a(n), read backwards, is present as a substring in a(n) + a(n+1). This is the lexicographically earliest sequence of distinct terms > 0 with this property.

A360947

a(n), read backwards, is present as a substring in a(n) + a(n+1). This is the lexicographically earliest sequence of distinct terms > 0 with this property.

Terms

    a(0) =1a(1) =9a(2) =10a(3) =91a(4) =28a(5) =54a(6) =191a(7) =1000a(8) =9001a(9) =1089a(10) =8712a(11) =3466a(12) =3177a(13) =4536a(14) =1818a(15) =6363a(16) =7273a(17) =6454a(18) =8092a(19) =4816a(20) =1368a(21) =7263a(22) =6364a(23) =8272a(24) =4456a(25) =2088a(26) =6714a(27) =7462a(28) =5185a(29) =630

External references