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A027563 Numbers not of form abc + abd + acd + bcd for 1<=a<=b<=c<=d. 6
1, 2, 3, 5, 6, 8, 9, 11, 14, 15, 18, 21, 23, 26, 29, 30, 33, 35, 41, 48, 51, 53, 63, 65, 74, 75, 86, 89, 90, 98, 111, 113, 119, 125, 131, 141, 155, 158, 173, 179, 191, 209, 210, 233, 239, 251, 254, 273, 285, 293, 321, 323, 326, 338, 341, 345, 363, 419 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

T. D. Noe, Table of n, a(n) for n=1..126 (complete sequence)

CROSSREFS

Cf. A025052, A027564, A027565, A027566.

Sequence in context: A005097 A102781 A139791 * A219729 A000534 A136112

Adjacent sequences:  A027560 A027561 A027562 * A027564 A027565 A027566

KEYWORD

nonn,fini,full

AUTHOR

R. H. Hardin

STATUS

approved

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Last modified November 18 19:59 EST 2019. Contains 329288 sequences. (Running on oeis4.)