Numbers k such that the determinant of the Vandermonde matrix of their digits is equal to sigma(k), the sum of divisors of k.
A307586
Numbers k such that the determinant of the Vandermonde matrix of their digits is equal to sigma(k), the sum of divisors of k.
Terms
- a(0) =1a(1) =1349a(2) =12673a(3) =12934a(4) =16748a(5) =16874a(6) =17034a(7) =28957a(8) =60438a(9) =67180a(10) =80612a(11) =81257a(12) =87021a(13) =93651a(14) =413856a(15) =712530a(16) =813624a(17) =942786
External references
- oeis: A307586