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Search: id:A063949
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A063949 Of course every number is the sum of 4 squares; for these numbers the first square can be taken to be any positive square < n. +0
6
0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 22, 25, 26, 28, 30, 33, 34, 36, 38, 41, 42, 45, 46, 49, 50, 52, 54, 57, 58, 60, 62, 65, 66, 68, 70, 73, 74, 78, 81, 82, 84, 86, 89, 90, 94, 97, 98, 100, 102, 105, 106, 110, 114, 118, 122, 126, 129, 130 (list; graph; listen)
OFFSET

1,3

REFERENCES

J. H. Conway, personal communication, Aug 27, 2001.

FORMULA

Consists of 0, the 54 odd numbers in A063951, 4 times those numbers, and all numbers of the form 4m+2.

CROSSREFS

Cf. A063950-A063954.

Sequence in context: A039271 A039163 A125299 this_sequence A073518 A033104 A048856

Adjacent sequences: A063946 A063947 A063948 this_sequence A063950 A063951 A063952

KEYWORD

nonn,easy,nice

AUTHOR

njas, Sep 04 2001

page 1

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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