The first of twenty-one consecutive positive integers the sum of the squares of which is equal to the sum of the squares of four consecutive positive integers.
A261996
The first of twenty-one consecutive positive integers the sum of the squares of which is equal to the sum of the squares of four consecutive positive integers.
Terms
- a(0) =8a(1) =44a(2) =128a(3) =788a(4) =2024a(5) =5948a(6) =15176a(7) =87764a(8) =223712a(9) =655316a(10) =1670312a(11) =9654332a(12) =24607376a(13) =72079892a(14) =183720224a(15) =1061889836a(16) =2706588728a(17) =7928133884a(18) =20207555408a(19) =116798228708a(20) =297700153784a(21) =872022648428
External references
- oeis: A261996