Floor(-1/n + 1/log((2n+1)/(2n-1))).

Terms

a(0) =10a(1) =92a(2) =318a(3) =760a(4) =1490a(5) =2581a(6) =4103a(7) =6129a(8) =8731a(9) =11981a(10) =15952a(11) =20714a(12) =26340a(13) =32902a(14) =40472a(15) =49123a(16) =58925a(17) =69951a(18) =82273a(19) =95963a(20) =111094a(21) =127736a(22) =145962a(23) =165844a(24) =187454a(25) =210865a(26) =236147a(27) =263373a(28) =292615a(29) =323945