Number of ways to write n as the root-mean-square (RMS) of a set of distinct positive integers.

A164283

Number of ways to write n as the root-mean-square (RMS) of a set of distinct positive integers.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =9a(6) =19a(7) =79a(8) =225a(9) =693a(10) =1901a(11) =5597a(12) =17641a(13) =57503a(14) =195431a(15) =647139a(16) =2182987a(17) =7344451a(18) =25057681a(19) =85742999a(20) =295284367a(21) =1028155825a(22) =3596134963a(23) =12659796475a(24) =44696280143a(25) =158226554179a(26) =562623263251

External references