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A223134 Number of distinct sums i+j+k with i,j,k >= 0, i*j*k <= n. 4
1, 4, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Robert Price, Table of n, a(n) for n = 0..100

MATHEMATICA

f[n_] := Length[Complement[Union[Flatten[Table[If[i*j*k <= n, {i + j + k}], {i, 0, n}, {j, 0, n}, {k, 0, n}], 2]], {Null}]]; Table[f[n], {n, 0, 100}]

CROSSREFS

Cf. A226357, A226359, A222945, A222947, A223133.

Sequence in context: A267027 A267865 A032492 * A339690 A267087 A050560

Adjacent sequences: A223131 A223132 A223133 * A223135 A223136 A223137

KEYWORD

nonn

AUTHOR

Robert Price, Jun 12 2013

STATUS

approved

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Last modified December 9 03:54 EST 2022. Contains 358698 sequences. (Running on oeis4.)