34521

Appears in sequences

• a(n) = floor( n*(n-1)*(n-2)*(n-3)/25 ).at n=32A011935
• Integers that are Rhonda numbers to base 16.at n=13A100975
• Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime.at n=33A104972
• a(n) = 4^n*(Gamma(n+1/4)/Gamma(1/4) + (n-1)!).at n=4A123334
• a(n) = (n^3 + 3*n - 2)/2.at n=40A132127
• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 11000-01110-00011 pattern in any orientation.at n=16A147191
• Number of n X 6 binary arrays with each 1 adjacent to exactly one 1 vertically and one 1 horizontally.at n=9A183338
• Fixed points of the function A260529(n) = concatenation of the positions of digits 9, 8,..., 0 in the decimal representation of n, using 1 for the rightmost digit etc., skipping digits which don't occur.at n=28A260275
• List of snow leopard permutations of odd length in lexicographic order.at n=5A269751
• Derangements of {1,2,...,n} (n >= 2) in lexicographic order.at n=29A320588
• a(n) = 4*n^3 - 6*n^2 + 6*n - 2 + (-1)^n.at n=20A382973