Least integer k such that A001358(k) + A001358(k+1) is the product of exactly n prime factors (counting multiplicity).
A288517
Least integer k such that A001358(k) + A001358(k+1) is the product of exactly n prime factors (counting multiplicity).
Terms
- a(0) =3a(1) =1a(2) =28a(3) =4a(4) =19a(5) =39a(6) =48a(7) =89a(8) =120a(9) =551a(10) =447a(11) =589a(12) =3707a(13) =10137a(14) =21644a(15) =28456a(16) =22998a(17) =44494a(18) =86132a(19) =166930a(20) =703448a(21) =628371a(22) =1220814a(23) =1608668a(24) =11153853a(25) =6091437a(26) =56676014a(27) =268389220a(28) =146153797a(29) =193010987
External references
- oeis: A288517