25207

Appears in sequences

• Number of 4 X n binary matrices up to row and column permutations.at n=8A006148
• a(n) = Sum_{k=0..n} (k+1) * A026659(n,k).at n=11A026980
• Triangle of coefficients, read by row polynomials P_n(y), that satisfy the g.f.: A096651(x,y) = Product_{n>=1} 1/(1-x^n)^[P_n(y)/n], with P_n(0)=0 for n>=1.at n=71A096800
• Numbers k such that the leading k digits of k^k in decimal form a prime or a probable prime.at n=5A211404
• Number of maximal subsets of {1..n} such that it is possible to choose a different binary index of each element.at n=23A370640