OFFSET
0,14
LINKS
Rémy Sigrist, Table of n, a(n) for n = 0..10000
Wikipedia, Vandermonde matrix
FORMULA
a(n) != 0 iff n belongs to A010784.
a(n) = 0 for any n > 9876543210.
EXAMPLE
| 2^0 2^1 2^2 |
a(234) = det | 3^0 3^1 3^2 | = 2.
| 4^0 4^1 4^2 |
PROG
(PARI) a(n) = my (d=digits(n)); matdet(matrix(#d, #d, r, c, d[r]^(c-1)))
CROSSREFS
KEYWORD
sign,base
AUTHOR
Rémy Sigrist, Apr 20 2019
STATUS
approved