Triangle read by rows: T(n,k) = A002110(n) + A002110(k), 0 <= k <= n; sums of two primorials, not necessarily distinct.

A370121

Triangle read by rows: T(n,k) = A002110(n) + A002110(k), 0 <= k <= n; sums of two primorials, not necessarily distinct.

Terms

    a(0) =2a(1) =3a(2) =4a(3) =7a(4) =8a(5) =12a(6) =31a(7) =32a(8) =36a(9) =60a(10) =211a(11) =212a(12) =216a(13) =240a(14) =420a(15) =2311a(16) =2312a(17) =2316a(18) =2340a(19) =2520a(20) =4620a(21) =30031a(22) =30032a(23) =30036a(24) =30060a(25) =30240a(26) =32340a(27) =60060a(28) =510511a(29) =510512

External references