Composite numbers n such that the sum of prime factors of n (counted with multiplicity) terminates n as a substring.
A143993
Composite numbers n such that the sum of prime factors of n (counted with multiplicity) terminates n as a substring.
Terms
- a(0) =4a(1) =18a(2) =220a(3) =230a(4) =246a(5) =366a(6) =444a(7) =624a(8) =1166a(9) =1323a(10) =1462a(11) =1530a(12) =1992a(13) =2230a(14) =2406a(15) =2625a(16) =2730a(17) =3024a(18) =3125a(19) =3182a(20) =3286a(21) =3484a(22) =3606a(23) =3760a(24) =4220a(25) =5733a(26) =6372a(27) =6435a(28) =7592a(29) =8658
External references
- oeis: A143993