70756

Appears in sequences

• Generalized Stirling numbers of second kind.at n=5A000559
• a(n) = (7*n)^2.at n=38A016982
• a(n) = (8*n + 2)^2.at n=33A017090
• a(n) = (9*n + 5)^2.at n=29A017222
• a(n) = (10*n + 6)^2.at n=26A017342
• a(n) = (11*n + 2)^2.at n=24A017414
• a(n) = (12*n + 2)^2.at n=22A017546
• Matrix square of Stirling2 triangle A008277: 2-levels set partitions of [n] into k first-level subsets.at n=30A039810
• Squares with initial digit '7'.at n=9A045791
• Triangle of generalized Stirling numbers of 2nd kind.at n=33A046817
• Denominator of 1/49 - 1/n^2.at n=31A061048
• Squares which when reversed are primes (ignore leading zeros).at n=22A068989
• Squares whose arithmetic mean of digits is an integer (i.e., the sum of digits is a multiple of the number of digits).at n=37A069711
• Squares x such that x + reverse of x is a prime.at n=22A072367
• Perfect powers whose digit reversal is prime.at n=25A088112
• Mills' constant A generates a sequence of primes via b(n)= floor(A^3^n). This sequence is a(n) = b(n+1)-b(n)^3.at n=8A108739
• Square of the Stirling2 matrix A048993.at n=39A130191
• Numbers with 27 divisors.at n=32A137490
• Numbers that are the squares of the product of three distinct primes.at n=26A162143
• Square numbers not of form m + sum of digits of m.at n=24A171671