A072698 Sum of prime factors of A072697(n).

2, 3, 5, 7, 11, 13, 8, 17, 19, 10, 23, 29, 31, 14, 12, 37, 16, 41, 12, 43, 47, 20, 53, 16, 22, 59, 61, 18, 67, 26, 71, 73, 18, 18, 79, 83, 22, 32, 89, 20, 34, 24, 97, 101, 103, 15, 107, 109, 18, 40, 113, 24, 28, 24, 44, 127, 46, 131, 26, 137, 139, 50, 24, 34, 149, 151, 36

Offset

1,1

Comments

a(n) = A001414(A072697(n)) = A008472(A072697(n)).

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Example

a(19) = A001414(A072697(19)) = A001414(42) = A001414(2*3*7) = 2+3+7 = 12.

Crossrefs

Cf. A072699, A072700.

Sequence in context: A039712 A072700 A336429 * A034442 A077620 A370123

Adjacent sequences: A072695 A072696 A072697 * A072699 A072700 A072701

Keyword

nonn

Author

Reinhard Zumkeller, Jul 04 2002

Status

approved