1,2
A024431(a(n)) - A024431(A115407(n)) = n.
Cf. A115408.
Sequence in context: A145325 A126353 A094791 this_sequence A059246 A091276 A076562
Adjacent sequences: A115403 A115404 A115405 this_sequence A115407 A115408 A115409
nonn
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 22 2006
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