48212

Appears in sequences

• Numbers k such that 2^k - 5 is prime.at n=40A059608
• G.f.: exp( Sum_{n>=0} [ Sum_{k=0..n} C(n,k)^2*x^k ]^2* x^n/n ).at n=10A180718
• T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..2 nXk array.at n=30A220935
• Equals two maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..2 3Xn array.at n=5A220937
• Number of binary strings w of length n for which s, the longest proper suffix of w that appears at least twice in w, is of length 2.at n=18A284125
• Number of polygons formed when every pair of vertices of a row of n adjacent congruent rectangles are joined by an infinite line.at n=19A344993
• Consecutive internal states of the linear congruential pseudo-random number generator (171*s + 11213) mod 53125 when started at 1.at n=22A385039