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A091871 A091633 indexed by A000040. 2
2, 4, 5, 6, 7, 8, 11, 12, 20, 21, 22, 25, 30, 32, 33, 34, 40, 41, 43, 44, 45, 46, 64, 65, 66, 67, 68, 74, 75, 78, 128, 130, 131, 137, 139, 156, 157, 159, 164, 165, 167, 168, 187, 193, 196, 215, 220, 222, 270, 275, 293, 294, 295, 298, 299, 301, 302, 303, 444, 446 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

FORMULA

a(n)=k such that A000040(k) = A091633(n).

a(n) = A049084(A091633(n)). - Reinhard Zumkeller, Jul 18 2014

PROG

(Haskell)

a091871 n = a091871_list !! (n-1)

a091871_list = f [1..] a000040_list where

   f (i:is) (p:ps) = if (null $ show p `intersect` "024568")

                        then i : f is ps else f is ps

-- Reinhard Zumkeller, Jul 18 2014

CROSSREFS

Cf. A049084, A091633, A136333.

Sequence in context: A194831 A111688 A058049 * A303393 A039085 A302433

Adjacent sequences:  A091868 A091869 A091870 * A091872 A091873 A091874

KEYWORD

easy,nonn,base

AUTHOR

Ray Chandler, Feb 07 2004

STATUS

approved

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Last modified October 16 16:18 EDT 2019. Contains 328101 sequences. (Running on oeis4.)