This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A342308 #28 Mar 09 2021 20:43:58 %S A342308 193,353,398,678,695,697,744,768,776,793,868,883,966,968,983,1045, %T A342308 1075,1079,1089,1097,1098,1114,1129,1148,1186,1193,1212,1291,1311, %U A342308 1403,1405,1442,1544,1576,1584,1643,1715,1734,1746,1775,1795,1853,1868,1888,1917,1944,1953,1971,1974,1996 %N A342308 Numbers whose fifth powers are zeroless pandigital. %C A342308 Numbers n such that A000584(n) is in { A050289 }. %H A342308 David A. Corneth, <a href="/A342308/b342308.txt">Table of n, a(n) for n = 1..10000</a> %e A342308 193^5 = 267785184193, and contains all the digits 1 through 9. %p A342308 q:= n-> is({convert(n^5, base, 10)[]}={$1..9}): %p A342308 select(q, [$1..2000])[]; # _Alois P. Heinz_, Mar 08 2021 %t A342308 Select[Range[2000], %t A342308 Sort[ Union[IntegerDigits[#^5]]] == {1, 2, 3, 4, 5, 6, 7, 8, 9} &] %o A342308 (Python) %o A342308 A342308_list = [n for n in range(1,10**5) if set(str(n**5)) == {'1', '2', '3', '4', '5', '6', '7', '8', '9'}] # _Chai Wah Wu_, Mar 08 2021 %o A342308 (PARI) isok(m) = my(d=digits(m^5)); vecmin(d) && (#Set(d) == 9); \\ _Michel Marcus_, Mar 09 2021 %Y A342308 Cf. A000584, A050289. %K A342308 nonn,base %O A342308 1,1 %A A342308 _Tanya Khovanova_, Mar 08 2021