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A051220 Numbers of the form 9^x-y^2 >= 0. 1
0, 1, 5, 8, 9, 17, 32, 45, 53, 56, 65, 72, 77, 80, 81, 104, 153, 161, 200, 245, 288, 320, 329, 368, 405, 440, 473, 477, 485, 504, 533, 560, 585, 608, 629, 632, 648, 665, 680, 693, 704, 713, 720, 725, 728, 729, 785, 936, 968, 1085, 1232, 1377, 1449, 1457, 1520 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

CROSSREFS

Sequence in context: A047616 A045221 A046287 * A102785 A127493 A006186

Adjacent sequences:  A051217 A051218 A051219 * A051221 A051222 A051223

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 17 11:46 EST 2012. Contains 206011 sequences.