52232

Appears in sequences

• Number of permutations of 2 indistinguishable copies of 1..n arranged in a circle with exactly 2 adjacent element pairs in decreasing order.at n=7A151583
• Sums of 2 successive primes s = prime(m) + prime(m+1) such that all digits of s are primes.at n=32A173719
• p-INVERT of (1,1,1,1,1,...), where p(S) = (1 - S^2)*(1 - 2*S).at n=9A291012