31449

Appears in sequences

• Indices of primes in sequence defined by A(0) = 61, A(n) = 10*A(n-1) + 41 for n > 0.at n=21A101531
• Level of the n-th plateau of the column k of the square array A195825, when k -> infinity.at n=13A210843
• T(n,k)=Number of length n+5 0..k arrays with some three disjoint pairs in each consecutive six terms having the same sum.at n=28A248489
• Number of length 1+5 0..n arrays with some three disjoint pairs in each consecutive six terms having the same sum.at n=7A248490
• Triangle read by rows: T(n,k), n>=1, k>=1, in which column k lists the numbers of A210843 multiplied by A000330(k), and the first element of column k is in row A000217(k).at n=36A249120
• Where record values occur in A276781, when starting from A276781(2)=1.at n=52A276782
• G.f.: Product_{m>0} 1/(1 - x^m + 2!*x^(2*m)).at n=32A293294
• G.f. A(x) satisfies A(x^3) = A(x)^3/(1 + 3*A(x)).at n=31A386659