28957

Appears in sequences

• Esanacci (hexanacci or "6-anacci") numbers.at n=15A074584
• Number of nondecreasing arrangements of n+2 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four.at n=13A189319
• Numbers k such that the determinant of the Vandermonde matrix of their digits is equal to sigma(k), the sum of divisors of k.at n=7A307586