160930

Appears in sequences

• a(n) = (n+1)*binomial(n+1,4).at n=18A027764
• Numbers whose set of base 11 digits is {0,A}, where A base 11 = 10 base 10.at n=28A097257
• Number of 3 X 3 symmetric matrices over Z(n) having determinant 1.at n=10A115224
• a(n) = n^5 - n^2.at n=11A135497
• a(n) = prime(n)^5 - prime(n)^2.at n=4A138405
• Numbers k such that squarefree part of sigma(k) is equal to squarefree part of 2*k.at n=23A331752
• a(n) is the number of subsets of {1..n} that contain exactly 4 odd and 1 even numbers.at n=44A333320
• a(n) is the number of subsets of {1..n} that contain exactly 1 odd and 4 even numbers.at n=44A333321