a(n) is the smallest square that has n as a string immediately before the final digit, or 0 if no such number exists.
A175689
a(n) is the smallest square that has n as a string immediately before the final digit, or 0 if no such number exists.
Terms
- a(0) =16a(1) =25a(2) =36a(3) =49a(4) =256a(5) =64a(6) =576a(7) =81a(8) =196a(9) =100a(10) =2116a(11) =121a(12) =3136a(13) =144a(14) =1156a(15) =169a(16) =50176a(17) =5184a(18) =196a(19) =2209a(20) =9216a(21) =225a(22) =11236a(23) =3249a(24) =256a(25) =43264a(26) =30276a(27) =289a(28) =1296a(29) =2304
External references
- oeis: A175689