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A179101
Numbers which are not the sum of exactly one positive square and a sum of squares-minus-1.
1
2, 3, 5, 6, 8, 11, 14
OFFSET
1,1
COMMENTS
Sequence motivated by the study of certain replicate tilings, where each tile can be replaced by a square number of tiles.
Adding multiples of 3=2^2-1 to the numbers 1=1^2, 9=3^2 and 17=3^2+(3^2-1), one obtains all the integers not in the sequence.
CROSSREFS
Cf. A000290 (squares), A005563 (squares-minus-1), A123120, A078135.
Sequence in context: A291693 A266542 A095172 * A127312 A081830 A238006
KEYWORD
fini,full,nonn
AUTHOR
Benoit Jubin, Jun 29 2010
STATUS
approved