117067
domain: N
Appears in sequences
- Vampire numbers (definition 2): numbers n with an even number of digits which have a factorization n = i*j where i and j have the same number of digits and the multiset of the digits of n coincides with the multiset of the digits of i and j.at n=16A014575
- Composites that use the same digits as their prime factorization.at n=16A025283
- 1, together with numbers n that are the product of two primes p and q such that the multiset of the digits of n coincides with the multiset of the digits of p and q.at n=9A080718
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 1, -1), (1, 0, -1), (1, 0, 1)}.at n=10A149319
- Composite numbers having the same digits as their prime factors (with multiplicity), excluding zero digits.at n=15A176670
- Number of nX7 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=3A221754
- T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=48A221755
- Number of 4Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=6A221758
- Composite numbers having the same digits as their prime factors (with multiplicity), including zero digits.at n=8A280928
- Prime vampire numbers: semiprimes x*y such that x and y have the same number of digits and the union of the multisets of the digits of x and y is the same as the multiset of digits of x*y.at n=0A289911
- Composite numbers that are anagrams of the concatenation of their prime factors.at n=22A306474