144990

Appears in sequences

• Sum of the products of the first n prime pairs.at n=18A135232
• Numbers k such that 2 is the largest decimal digit of k^2.at n=33A277959
• Numbers k such that s(k) = s(k+1) where s(k) is the sum of unitary, squarefree divisors of k, including 1 (A092261).at n=26A327875
• G.f. satisfies A(x) = 1 - x^2 + x*A(x)^3.at n=9A367044