login
A278261
a(n) = A046523(A273671(n)).
2
1, 8, 2, 8, 24, 24, 2, 64, 24, 24, 192, 72, 24, 24, 4, 8, 24, 96, 24, 72, 96, 24, 72, 192, 24, 3456, 192, 24, 3456, 24, 2, 216, 192, 24, 1080, 72, 24, 8640, 576, 192, 8640, 3456, 24, 1080, 3456, 192, 1080, 120, 72, 96, 120, 24, 96, 360, 72, 576, 360, 24, 192, 120, 24, 72, 6, 8, 24, 1080, 24, 5400, 8640, 24, 72, 1080, 24, 432000, 8640, 24, 3456, 12288, 24, 120
OFFSET
1,2
COMMENTS
This sequence works as a "sentinel" for A273671 by matching to any sequence that is obtained as f(A273671(n)), where f(n) is any function that depends only on the prime signature of n (see the index entry for "sequences computed from exponents in ..."). The only other sequence that as of Nov 11 2016 seems to match is A106347, although more terms of the latter would be needed to better ascertain whether the connection is spurious or genuine.
FORMULA
a(n) = A046523(A273671(n)).
PROG
(Scheme) (define (A278261 n) (A046523 (A273671 n)))
CROSSREFS
Sequences that seem to partition N into same or coarser equivalence classes: A106347
Sequence in context: A211269 A278809 A306617 * A296301 A019865 A198993
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 16 2016
STATUS
approved