Designed symmetrical sequence with 2*3^n row sum and term: row(n)=3^n; f(n,m) = Floor[(m/Prime[n])*row(n)/2].
A153290
Designed symmetrical sequence with 2*3^n row sum and term: row(n)=3^n; f(n,m) = Floor[(m/Prime[n])*row(n)/2].
Terms
- a(0) =2a(1) =3a(2) =3a(3) =2a(4) =14a(5) =2a(6) =2a(7) =25a(8) =25a(9) =2a(10) =2a(11) =10a(12) =138a(13) =10a(14) =2a(15) =2a(16) =22a(17) =219a(18) =219a(19) =22a(20) =2a(21) =2a(22) =56a(23) =112a(24) =1118a(25) =112a(26) =56a(27) =2a(28) =2a(29) =128
External references
- oeis: A153290