a(n) = number of Egyptian fractions 1 = 1/x_1 + ... + 1/x_k (for any k), with max{x_i}=n.
A092667
a(n) = number of Egyptian fractions 1 = 1/x_1 + ... + 1/x_k (for any k), with max{x_i}=n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =1a(5) =44a(6) =1a(7) =235a(8) =921a(9) =4038a(10) =1a(11) =66147a(12) =1a(13) =304383a(14) =6581754a(15) =45353329a(16) =1a(17) =1100311690a(18) =1a(19) =44423279911a(21) =284120133400a(22) =1a(28) =1a(30) =1
External references
- oeis: A092667