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A278231 Least number with the same prime signature as the n-th number in Blue-code: a(n) = A046523(A193231(n)). 3
1, 2, 2, 2, 4, 6, 2, 6, 6, 12, 2, 6, 2, 4, 8, 2, 16, 12, 2, 12, 6, 2, 6, 30, 2, 2, 12, 8, 6, 24, 4, 6, 12, 48, 4, 24, 6, 2, 12, 60, 2, 12, 6, 6, 24, 6, 2, 6, 6, 6, 32, 6, 6, 36, 2, 12, 12, 6, 2, 24, 2, 2, 30, 6, 60, 6, 6, 48, 16, 2, 6, 60, 6, 2, 24, 6, 6, 12, 6, 12, 6, 2, 30, 6, 64, 30, 2, 12, 6, 72, 2, 30, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
a(n) = A046523(A193231(n)).
PROG
(Scheme) (define (A278231 n) (A046523 (A193231 n)))
CROSSREFS
Sequence in context: A326025 A278502 A278501 * A152968 A222177 A342271
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 16 2016
STATUS
approved

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Last modified March 19 04:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)