23178

Appears in sequences

• Truncated octahedral numbers: 16*n^3 - 33*n^2 + 24*n - 6.at n=11A005910
• Numbers whose square is a zeroless pandigital number (i.e., use the digits 1 through 9 once).at n=14A071519
• 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, 0, 0), (-1, 0, 1), (0, -1, 0), (0, 1, -1), (1, 0, 0)}.at n=10A148569
• Numbers n such that n contains exactly 5 digits, all distinct, and n^2 contains exactly 9 distinct digits.at n=19A204691
• Number of 5-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero with no three beads in a row equal.at n=9A208947
• Number of pairs in generation n of the tree T defined in Comments.at n=26A252864
• Expansion of 2*(1-x)*(2*x^2+4*x+1) / (1-x-x^2)^2.at n=14A271786
• Numbers n such that sigma(n) is a Fibonacci number.at n=15A272412
• Number of n X 2 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.at n=8A284159
• T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.at n=46A284165
• Numbers whose square contains all of the digits 1 through 9.at n=14A294661
• Euler transform of A373216.at n=35A373297
• Numbers k such that tau(k) and sigma(k) are both Fibonacci numbers.at n=6A390231