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 A252079 Fixed points of permutations A252022 and A252023. 4
 1, 2, 3, 4, 5, 36, 72, 125, 136, 900, 4454, 8021, 27223, 33905, 73222, 127536, 146353, 180177, 234668, 273241 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS PROG (Haskell) a252079 n = a252079_list !! (n-1) a252079_list = [x | x <- [1..], a252022 x == x] (Python) A252079_list, l, s, b = [1], [1], 2, set() for n in range(2, 10**5): ....i = s ....while True: ........if i not in b: ............li = [int(d) for d in str(i)[::-1]] ............for x, y in zip(li, l): ................if x+y > 9: ....................break ............else: ................l = li ................b.add(i) ................if i == n: ....................A252079_list.append(i) ................while s in b: ....................b.remove(s) ....................s += 1 ................break ........i += 1 # Chai Wah Wu, Dec 14 2014 CROSSREFS Cf. A252022, A252023, A252078. Sequence in context: A043310 A171578 A044907 * A324276 A324277 A261247 Adjacent sequences:  A252076 A252077 A252078 * A252080 A252081 A252082 KEYWORD nonn,more AUTHOR Reinhard Zumkeller, Dec 13 2014 EXTENSIONS a(16)-a(20) from Chai Wah Wu, Dec 14 2014 STATUS approved

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Last modified January 20 20:50 EST 2021. Contains 340332 sequences. (Running on oeis4.)