Denominators of approximations j/k for Pi such that abs(j/k - Pi)*sqrt(5)*k^2 < 1.

Terms

a(0) =1a(1) =7a(2) =14a(3) =113a(4) =226a(5) =339a(6) =452a(7) =565a(8) =678a(9) =791a(10) =904a(11) =1017a(12) =1130a(13) =1243a(14) =33215a(15) =99532a(16) =364913a(17) =1725033a(18) =3450066a(19) =25510582a(20) =131002976a(21) =340262731a(22) =811528438a(23) =1963319607a(24) =6701487259a(25) =13402974518a(26) =20104461777a(27) =26805949036a(28) =33507436295a(29) =40208923554