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A092494 Sum{ceil(n/p): p prime and p<=n}. +0
1
0, 1, 3, 4, 6, 7, 10, 11, 12, 13, 16, 17, 20, 21, 23, 25, 27, 28, 31, 32, 34, 36, 39, 40, 42, 43, 45, 46, 49, 50, 54, 55, 56, 58, 60, 62, 65, 66, 68, 70, 73, 74, 78, 79, 81, 83, 86, 87, 89, 90, 92, 94, 97, 98, 100, 102, 104, 106, 109, 110, 114, 115, 117, 119, 120, 122 (list; graph; listen)
OFFSET

1,3

COMMENT

a(n) = A013939(n) + A048865(n).

CROSSREFS

Cf. A006590.

Sequence in context: A131530 A102093 A135215 this_sequence A050618 A093579 A060832

Adjacent sequences: A092491 A092492 A092493 this_sequence A092495 A092496 A092497

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 05 2004

page 1

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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