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Search: id:A092403
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A092403 sigma(n)+sigma(n+1). +0
1
4, 7, 11, 13, 18, 20, 23, 28, 31, 30, 40, 42, 38, 48, 55, 49, 57, 59, 62, 74, 68, 60, 84, 91, 73, 82, 96, 86, 102, 104, 95, 111, 102, 102, 139, 129, 98, 116, 146, 132, 138, 140, 128, 162, 150, 120, 172, 181, 150, 165, 170, 152, 174, 192, 192, 200, 170, 150, 228, 230 (list; graph; listen)
OFFSET

1,1

PROGRAM

(PARI) for(i=1, 60, print1(", "sigma(i)+sigma(i+1)))

CROSSREFS

Cf. A000203.

Sequence in context: A023985 A023979 A091855 this_sequence A102737 A081834 A078309

Adjacent sequences: A092400 A092401 A092402 this_sequence A092404 A092405 A092406

KEYWORD

nonn

AUTHOR

Jon Perry (perry(AT)globalnet.co.uk), Mar 22 2004

page 1

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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