Numbers c(n) whose square are equal to the sum of an odd number M of consecutive cubed integers b^3 + (b+1)^3 + ... + (b+M-1)^3 = c(n)^2, starting at b(n) (A253679).
A253680
Numbers c(n) whose square are equal to the sum of an odd number M of consecutive cubed integers b^3 + (b+1)^3 + ... + (b+M-1)^3 = c(n)^2, starting at b(n) (A253679).
Terms
- a(0) =204a(1) =2940a(2) =16296a(3) =57960a(4) =159060a(5) =368004a(6) =754320a(7) =1412496a(8) =2465820a(9) =4070220a(10) =6418104a(11) =9742200a(12) =14319396a(13) =20474580a(14) =28584480a(15) =39081504a(16) =52457580a(17) =69267996a(18) =90135240a(19) =115752840a(20) =146889204a(21) =184391460a(22) =229189296a(23) =282298800a(24) =344826300a(25) =417972204a(26) =503034840
External references
- oeis: A253680