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 A115174 Numbers that are not the sum of a square, a nonnegative cube and a power of 2. 9
 15, 22, 23, 55, 62, 87, 94, 106, 111, 118, 119, 120, 139, 167, 183, 188, 194, 195, 211, 215, 223, 244, 246, 251, 263, 274, 275, 279, 286, 303, 304, 307, 309, 311, 314, 330, 331, 335, 342, 343, 350, 398, 399, 419, 421, 434, 436, 437, 438, 454, 455, 461, 463 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The square and the cube may be equal to 0, the powers of two starts at 2^0 = 1. There are 531362099 such numbers up to 10^9, the last one in this range being 999999999. LINKS Robert Israel, Table of n, a(n) for n = 1..10000 MAPLE N:= 1000: # for terms <= N S1:= {seq(i^2, i=0..isqrt(N))}: S2:= {seq(i^3, i=0..floor(N^(1/3)))}: S3:= {seq(2^i, i=0..ilog2(N))}: S:= select(`<=`, {seq(seq(seq(a+b+c, a=S1), b=S2), c=S3)}, N): sort(convert({\$1..N} minus S, list)); # Robert Israel, Jul 23 2020 MATHEMATICA Complement[Range[1000], Plus @@@ Tuples[{Range[0, 34]^2, Range[0, 10]^3, 2^Range[0, 9]}]] (* Giovanni Resta, May 02 2016 *) CROSSREFS Cf. A115171, A115172, A115173, A115175, A115176, A115177. Sequence in context: A338119 A297931 A018888 * A092783 A108638 A076379 Adjacent sequences:  A115171 A115172 A115173 * A115175 A115176 A115177 KEYWORD nonn AUTHOR Giovanni Resta, Jan 15 2006 EXTENSIONS Name corrected by Giovanni Resta, May 02 2016 STATUS approved

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Last modified April 19 00:18 EDT 2021. Contains 343098 sequences. (Running on oeis4.)