a(n) is the n-digit denominator of the fraction h/k with h and k coprime palindrome positive integers at which abs(h/k-e) is minimal.

A368619

a(n) is the n-digit denominator of the fraction h/k with h and k coprime palindrome positive integers at which abs(h/k-e) is minimal.

Terms

    a(0) =1a(1) =4a(2) =323a(3) =939a(4) =14341a(5) =61716a(6) =1621261a(7) =9192919a(8) =324707423a(9) =509838905a(10) =30546664503a(11) =59359795395

External references