Square array A(n, k) = A388283(A246278(n, k)), read by falling antidiagonals. Numerator of (3*n-sigma(n))/n, as applied to the prime shift array.

A388284

Square array A(n, k) = A388283(A246278(n, k)), read by falling antidiagonals. Numerator of (3*n-sigma(n))/n, as applied to the prime shift array.

Terms

    a(0) =3a(1) =5a(2) =5a(3) =1a(4) =14a(5) =9a(6) =9a(7) =7a(8) =44a(9) =13a(10) =6a(11) =41a(12) =57a(13) =90a(14) =21a(15) =2a(16) =31a(17) =219a(18) =135a(19) =230a(20) =25a(21) =9a(22) =19a(23) =93a(24) =629a(25) =261a(26) =324a(27) =33a(28) =17a(29) =17

External references