75547

Appears in sequences

• a(n) = 1 + L(n) + F(2*n-1) with {L(n)}_{n>=0} the Lucas numbers (A000032) and F(2*n-1)_{n>=0} the bisected Fibonacci numbers (A001519).at n=13A005522
• Number of partitions of n into parts not less than the smallest prime factor of n.at n=55A097360
• Bisection (even part) of number of partitions that do not contain 1 as a part A002865.at n=28A182746
• First differences of 1/p(n), reciprocal of the number p(n) of unrestricted partitions of n (negated numerator).at n=55A272339
• Expansion of g.f. A(x) satisfying A(x) = A( x^2*(1+x)^2 ) / (x*(1+x)).at n=18A369545