Least number k such that the determinant of the symmetric Hankel matrix formed by its decimal digits is equal to n.
A308110
Least number k such that the determinant of the symmetric Hankel matrix formed by its decimal digits is equal to n.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =302a(11) =65a(12) =42a(13) =76a(14) =10320a(15) =41a(16) =40a(17) =98a(18) =522a(19) =413a(20) =64a(21) =52a(22) =354a(23) =645a(24) =51a(25) =50a(26) =142a(27) =63a(28) =86a(29) =1534
External references
- oeis: A308110