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A223548
Smallest prime factors for sequence A223546.
2
13, 229, 269, 331, 1036991, 193, 1187, 379, 942381313, 1078717, 1690920279179, 593, 181, 1433, 641, 139, 631, 2622013, 1123, 130337, 223, 155784593, 3746107, 1223, 13791824242727551, 67623587, 853, 299635177, 3966293, 197, 4755811387725362803, 263, 40637, 577
OFFSET
1,1
LINKS
FORMULA
a(n) = A020639(A223546(n)).
EXAMPLE
a(3) = 229, the smallest prime factor of A223546(3) = 233335657 = 229*307*3319.
CROSSREFS
Sequence in context: A160196 A218588 A158518 * A201706 A176722 A083081
KEYWORD
nonn
AUTHOR
Paul Larm, Mar 21 2013
EXTENSIONS
a(15)-a(34) from Chai Wah Wu, Oct 10 2019
STATUS
approved