37841

Appears in sequences

• Expansion of 1/((1-3x)*(1-7x)*(1-10x)).at n=4A017999
• Least number beginning with n such that every concatenation is a prime.at n=36A090506
• Number of 5 X n 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=18A224041
• a(0) = 16, after which, if (2*a(n-1)) - 1 = product_{k >= 1} (p_k)^(c_k) then a(n) = product_{k >= 1} (p_{k-1})^(c_k), where p_k indicates the k-th prime, A000040(k).at n=24A246345
• Size of blocks of 1's in the second column of Catalan numbers written in binary and left-aligned.at n=23A279026
• Expansion of 1/(1 - Sum_{k>=2} mu(k)^2*x^k), where mu(k) is the Moebius function (A008683).at n=28A280197
• Least number x such that x^n has n digits equal to k. Case k = 2.at n=24A285449
• Expansion of Sum_{k>=1} x^k*(1 + x^k)/(1 - x^k)^4.at n=45A320941