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0, 1, 4, 4, 2, 2, 18, 18, 18, 18, 18, 18, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 48
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OFFSET
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0,3
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COMMENTS
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Auxiliary function for computing A225901: the most significant digit in factorial base representation of n is "inverted", the rest of digits are "cleared" (replaced with zeros).
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LINKS
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Antti Karttunen, Table of n, a(n) for n = 0..5039
Index entries for sequences related to factorial base representation
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FORMULA
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a(0) = 0; for n >= 1, a(n) = A048764(n) * (1+(A084558(n)-A099563(n))).
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MATHEMATICA
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{0}~Join~Table[# (1 + ((m = 1; While[m! <= n, m++]; m - 1) - Floor[n/#])) &[k = 1; While[(k + 1)! <= n, k++]; k!], {n, 96}] (* Michael De Vlieger, Aug 30 2016, after Jayanta Basu at A084558 *)
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PROG
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(Scheme) (define (A276149 n) (if (zero? n) n (* (A048764 n) (+ 1 (- (A084558 n) (A099563 n))))))
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CROSSREFS
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Cf. A048764, A084558, A099563, A225901.
Sequence in context: A002581 A161778 A099655 * A146899 A317726 A031351
Adjacent sequences: A276146 A276147 A276148 * A276150 A276151 A276152
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KEYWORD
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nonn,base
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AUTHOR
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Antti Karttunen, Aug 29 2016
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STATUS
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approved
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