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A112990 Inverse of A089088. 3
1, 2, 5, 3, 9, 4, 12, 6, 7, 8, 19, 10, 23, 11, 13, 14, 30, 15, 34, 16, 17, 18, 41, 20, 21, 22, 24, 25, 52, 26, 55, 27, 28, 29, 31, 32, 65, 33, 35, 36, 73, 37, 77, 38, 39, 40, 85, 42, 43, 44, 45, 46, 95, 47, 48, 49, 50, 51, 105, 53, 110, 54, 56, 57, 58, 59, 121, 60, 61, 62, 128 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
PROG
(Haskell)
import Data.List (elemIndex)
import Data.Maybe (fromJust)
a112990 = (+ 1) . fromJust . (`elemIndex` a089088_list)
-- Reinhard Zumkeller, Feb 27 2013
CROSSREFS
Cf. A112978.
Sequence in context: A134880 A117534 A256628 * A169848 A026201 A026219
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Oct 08 2005
STATUS
approved

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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)