Total number of positive integers below 10^n requiring 2 positive biquadrates in their representation as sum of biquadrates.
A186649
Total number of positive integers below 10^n requiring 2 positive biquadrates in their representation as sum of biquadrates.
Terms
- a(0) =1a(1) =5a(2) =14a(3) =43a(4) =143a(5) =460a(6) =1467a(7) =4613a(8) =14629a(9) =46341a(10) =146545a(11) =463344a(12) =1465658a(13) =4634967a(14) =14657277a(15) =46350371a(16) =146575269a(17) =463514843a(18) =1465769570a(19) =4635173334a(20) =14657724677a(21) =46351830204a(22) =146577415900a(23) =463518545301
External references
- oeis: A186649