Least number k such that the determinant of the symmetric Hankel matrix formed by its decimal digits is equal to n negated.

A308208

Least number k such that the determinant of the symmetric Hankel matrix formed by its decimal digits is equal to n negated.

Terms

    a(0) =0a(1) =1101a(2) =110a(3) =12a(4) =112a(5) =23a(6) =102a(7) =34a(8) =13a(9) =45a(10) =334a(11) =56a(12) =24a(13) =67a(14) =554a(15) =14a(16) =35a(17) =89a(18) =130a(19) =667a(20) =46a(21) =25a(22) =342a(23) =887a(24) =15a(25) =889a(26) =314a(27) =36a(28) =68a(29) =241

External references