98736

Appears in sequences

• 4-dimensional pyramidal numbers: a(n) = n^2*(n^2-1)/12.at n=33A002415
• Number of ternary words of length n (beginning with 0) with autocorrelation function 2^(n-1).at n=11A045694
• Numbers n such that n and 2^n end with the same 4 digits.at n=9A067867
• Number of permutations of 3 indistinguishable copies of 1..n arranged in a circle with exactly 4 adjacent element pairs in decreasing order.at n=2A151592
• a(n) = n*(n+1)*(6*n-5)/2.at n=32A172082
• Number of 2 X 2 matrices with all elements in {0,1,...,n} and odd determinant.at n=22A210370
• Number of 3-cycles in the n X n black bishop graph.at n=33A289161
• a(n) = (1/12)*n^2*(3*(1 + n^2) - 2*(2 + n^2)*(n mod 2)).at n=33A322844
• Number of 4-cycles in the n X n white bishop graph.at n=32A367993
• Primitive terms of A388022: numbers k that satisfy sigma(k) AND 3*k = 3*k, but none of whose proper divisors satisfy the same condition.at n=22A388025