Square array T(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=1..n} j^k * binomial(floor(n/j)+1,2).
A356124
Square array T(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=1..n} j^k * binomial(floor(n/j)+1,2).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =1a(4) =5a(5) =8a(6) =1a(7) =7a(8) =11a(9) =15a(10) =1a(11) =11a(12) =19a(13) =23a(14) =21a(15) =1a(16) =19a(17) =41a(18) =47a(19) =33a(20) =33a(21) =1a(22) =35a(23) =103a(24) =125a(25) =77a(26) =57a(27) =41a(28) =1a(29) =67
External references
- oeis: A356124