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A039753 Numbers common to A006145 and A039752. 6
5, 77, 714, 5405, 26642, 52554, 95709, 154842, 173162, 204258, 208581, 248109, 278277, 332994, 417162, 445305, 529194, 554682, 693610, 851709, 869054, 1232746, 1252509, 1275546, 1275730, 1549454, 1600962, 1607045, 1671333, 1672710, 1777026 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Mostly the subset of either A006145 or A039752 where both a(n) and a(n)+1 are squarefree (members of A005117), but also members of A178214. - Hans Havermann, Dec 16 2010, Dec 19 2010
LINKS
EXAMPLE
77 (7*11, with 78 = 2*3*13) is a member of both A006145 and A039752 (7+11 = 2+3+13) and so 77 is a member of this sequence.
7129199 (7*11^2*19*443, with 7129200 = 2^4*3*5^2*13*457) is a member of both A006145 (7+11+19+443 = 2+3+5+13+457) and A039752 (7+11+11+19+443 = 2+2+2+2+3+5+5+13+457) and so 7129199 is also a member of this sequence.
CROSSREFS
Sequence in context: A214867 A330999 A331000 * A277533 A186662 A186660
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 28 15:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)