A378558 Powers of 4 that do not include the digit 4.
1, 16, 256, 65536, 16777216, 1099511627776
Offset: 1
Crossrefs
Cf. A000302.
Programs
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Mathematica
Select[4^Range[0,100000],Not[MemberQ[IntegerDigits[#],4]]&]
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.
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