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A257080
n multiplied by the least nonzero digit missing from its factorial base representation: a(n) = n * A257079(n).
5
0, 2, 4, 6, 4, 15, 12, 14, 16, 18, 30, 33, 12, 39, 42, 45, 16, 51, 18, 38, 40, 42, 22, 92, 48, 50, 52, 54, 84, 87, 60, 62, 64, 66, 102, 105, 108, 111, 114, 117, 120, 123, 84, 86, 88, 90, 184, 188, 48, 147, 150, 153, 52, 159, 162, 165, 168, 171, 174, 177, 60, 183, 186, 189, 64, 195, 66, 268, 272, 276, 70, 284, 72
OFFSET
0,2
FORMULA
a(n) = n * A257079(n).
PROG
(Scheme) (define (A257080 n) (* n (A257079 n)))
CROSSREFS
A255411 gives the fixed points, positions where a(n) = n.
Cf. A257079, A257081 (number of iterations needed before a fixed point is reached).
Sequence in context: A278259 A293473 A353512 * A099784 A365160 A082747
KEYWORD
nonn,base,look
AUTHOR
Antti Karttunen, Apr 15 2015
STATUS
approved