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 A243493 Value of Matula-Goebel signature at the fixed points of A069787: a(n) = A127301(A243490(n)). 4
 1, 2, 4, 3, 8, 6, 5, 16, 12, 10, 14, 13, 11, 32, 24, 20, 28, 26, 22, 37, 23, 34, 31, 64, 48, 40, 56, 52, 44, 74, 46, 68, 62, 76, 39, 89, 61, 47, 86, 101, 118, 109, 127, 128, 96, 80, 112, 104, 88, 148, 92, 136, 124, 152, 78, 178, 122, 94, 172, 202, 236, 218, 254 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS The first duplicate value occurs at n=101, as a(101) = a(129) = 362. The corresponding A014486-indices are A243490(101) = 924 and A243490(129) = 1640, respectively. LINKS Antti Karttunen, Table of n, a(n) for n = 0..525 FORMULA a(n) = A127301(A243490(n)). a(n) = A243491(A243490(n)). For all n >= 0, a(A036256(n)-1) = A007097(n) and a(A036256(n)) = A000079(n+1). PROG (Scheme, two variants) (define (A243493 n) (A127301 (A243490 n))) (define (A243493 n) (A243491 (A243490 n))) CROSSREFS A243494 gives the same terms sorted into ascending order with duplicates removed. Cf. A243496, A209636, A209637, A069787, A127301, A243490, A243491, A000079, A007097, A036256. Sequence in context: A246166 A334437 A264802 * A127301 A209636 A243491 Adjacent sequences:  A243490 A243491 A243492 * A243494 A243495 A243496 KEYWORD nonn,look,hear AUTHOR Antti Karttunen, Jun 07 2014 STATUS approved

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Last modified June 12 14:27 EDT 2021. Contains 344956 sequences. (Running on oeis4.)