218977

Appears in sequences

• Structured snub cubic numbers.at n=32A100150
• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 3X3 el 1,1 1,2 1,3 2,3 3,3 in any orientation.at n=15A146036
• Numbers k such that A003132(k^3) = A003132(k), where A003132(n) is the sum of the squares of the digits of n.at n=33A309884