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A220656 The positions of those permutations in A030298 where the first element is not fixed. 5
3, 6, 7, 8, 9, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Correspondingly, gives the positions of those terms in A030299 whose first digit is not 1, as long as the decimal encoding system employed is valid.
LINKS
FORMULA
a(n) = A003422(1+A084558(n)) + A000142(A084558(n)) + A212598(n).
a(n) = A220655(n)+1.
PROG
(Scheme): (define (A220656 n) (+ (A003422 (+ 1 (A084558 n))) (A000142 (A084558 n)) (A212598 n)))
CROSSREFS
Complement: A220696. Cf. A081291.
Sequence in context: A189822 A051205 A168114 * A324143 A050244 A295566
KEYWORD
nonn
AUTHOR
Antti Karttunen, Dec 17 2012
STATUS
approved

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Last modified June 23 03:01 EDT 2024. Contains 373629 sequences. (Running on oeis4.)