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A020680 Numbers of form 3 x^2 + 8 y^2. 0
0, 3, 8, 11, 12, 20, 27, 32, 35, 44, 48, 56, 59, 72, 75, 80, 83, 84, 99, 107, 108, 116, 120, 128, 131, 140, 147, 155, 176, 179, 180, 192, 200, 203, 212, 219, 224, 227, 236, 243, 248, 251, 264, 275, 288, 291, 300, 308, 315, 320, 332, 336, 347, 363, 371, 372, 392, 395, 396 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..59.

N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)

CROSSREFS

Sequence in context: A108752 A310279 A310280 * A243169 A051245 A265897

Adjacent sequences:  A020677 A020678 A020679 * A020681 A020682 A020683

KEYWORD

easy,nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified June 19 03:31 EDT 2021. Contains 345125 sequences. (Running on oeis4.)