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A008468
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a(n) = n OR n^3 (applied to binary expansions).
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3
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1, 10, 27, 68, 125, 222, 343, 520, 729, 1002, 1339, 1740, 2205, 2750, 3375, 4112, 4913, 5850, 6875, 8020, 9277, 10654, 12183, 13848, 15641, 17594, 19707, 21980, 24413, 27006, 29791, 32800, 35937, 39338, 42875, 46692, 50685, 54910, 59319, 64040
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listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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MAPLE
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a:= n-> Bits[Or](n, n^3):
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MATHEMATICA
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(* program should not be used to extend this sequence *)
d=16; Mb=Array[ 2^(d-#)&, d ]; Map[ Plus@@(Mb*#)&, Array[ IntegerDigits[ #, 2, d ]+IntegerDigits[ #^3, 2, d ]&, 40 ]/. (2->1) ]
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PROG
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(Magma) [BitwiseOr(n, n^3): n in [1..40]]; // Bruno Berselli, Mar 30 2018
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CROSSREFS
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KEYWORD
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base,nonn,easy
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AUTHOR
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STATUS
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approved
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