51102

Appears in sequences

• Number of n X n arrays of squares of integers summing to 40.at n=1A159445
• Numbers n which appear at least twice in A037278(n), concatenation of their divisors written in base 10.at n=42A248323
• G.f.: Sum_{n>=0} x^n * Product_{k=1..n} (1 - x^(n+k))/(1 - x^k).at n=45A260894
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 397", based on the 5-celled von Neumann neighborhood.at n=42A271691
• Number of maximal cliques in the n-polygon diagonal intersection graph.at n=31A291949
• Let P(n) = primorial(n) = A002110(n); a(n) is the number of primes q < P(n) such that P(n) - q is also prime and q^2==1 (mod P(n)).at n=22A336093