Total number of n-digit numbers requiring 2 positive biquadrates in their representation as sum of biquadrates.

A186650

Total number of n-digit numbers requiring 2 positive biquadrates in their representation as sum of biquadrates.

Terms

    a(0) =1a(1) =4a(2) =9a(3) =29a(4) =100a(5) =317a(6) =1007a(7) =3146a(8) =10016a(9) =31712a(10) =100204a(11) =316799a(12) =1002314a(13) =3169309a(14) =10022310a(15) =31693094a(16) =100224898a(17) =316939574a(18) =1002254727a(19) =3169403764a(20) =10022551343a(21) =31694105527a(22) =100225585696a(23) =316941129401

External references