102510

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=7A014575
• Even square pyramidal numbers.at n=32A015222
• Structured rhombic dodecahedral numbers (vertex structure 9).at n=33A100157
• Subset of A020342 (vampire numbers, definition 1) listing numbers which have more than one such representation of the desired form.at n=16A144563
• Number of permutations of 1..n containing the relative rank sequence { 52431 } at any spacing.at n=4A158437
• Vampire numbers permutations of whose digits are other vampire numbers.at n=2A167266
• Number of squares formed from a square composed of p^2 unit squares where p is n-th prime.at n=18A262247
• Those primitive elements of A337386 that have exactly one primitive nondeficient divisor (A006039).at n=40A341604