Smallest denominator d such that the Sylvester expansion of n/d has n terms.

Terms

a(0) =1a(1) =3a(2) =7a(3) =17a(4) =31a(5) =109a(6) =253a(7) =97a(8) =271a(9) =1621a(10) =199a(11) =3961a(12) =1769a(13) =12013a(14) =16381a(15) =3169a(16) =24991a(17) =15877a(18) =180881a(19) =265201a(20) =2620801a(21) =26753a(22) =781219a(23) =14473441a(24) =693551a(25) =55689349a(26) =18294823