Triangle read by rows: row n lists first n noncomposite numbers, starting with 1, in increasing order, whose sum is A113495(n).
A113759
Triangle read by rows: row n lists first n noncomposite numbers, starting with 1, in increasing order, whose sum is A113495(n).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =3a(5) =5a(6) =1a(7) =3a(8) =5a(9) =7a(10) =1a(11) =3a(12) =5a(13) =7a(14) =11a(15) =1a(16) =3a(17) =5a(18) =7a(19) =11a(20) =37a(21) =1a(22) =3a(23) =5a(24) =7a(25) =11a(26) =37a(27) =61a(28) =1a(29) =3
External references
- oeis: A113759