47529

Appears in sequences

• Partial sums of A253089.at n=42A255601
• Least integer k > 1 such that pi(k)^2 + pi(k*n)^2 is a square, where pi(.) is the prime-counting function given by A000720.at n=47A255677
• Starts of runs of 4 consecutive integers that are Jacobsthal-Niven numbers (A364216).at n=11A364219
• a(n) = (A084218(n) - 1)/12.at n=29A373040
• Triangle read by rows: T(n, k) = (n + 1) * Sum_{j=k..n} binomial(n, j) * Eulerian1(j, j - k).at n=38A381888
• Triangle read by rows: T(n, k) = (n + 1) * Sum_{j=k..n} binomial(n, j) * Eulerian1(j, j - k).at n=42A381888