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A096808 Sum of squares of antidiagonals in table A096810. +0
2
0, 4, 5, 9, 10, 18, 15, 19, 20, 36, 29, 33, 30, 46, 35, 39, 40, 72, 57, 61, 54, 78, 59, 63, 60, 100, 77, 81, 70, 102, 75, 79, 80, 144, 113, 117, 102, 142, 107, 111, 104, 168, 129, 133, 114, 162, 119, 123, 120, 208, 161, 165, 142, 198, 147, 151, 140, 228, 173, 177, 150 (list; graph; listen)
OFFSET

0,2

COMMENT

Congruent to integers repeated (A004526) mod 4. Sum of antidiagonals in table A096810 forms A007494 (congruent to 0 or 2 mod 3).

FORMULA

a(n) = A004526(n) mod 4.

CROSSREFS

Cf. A096810.

Sequence in context: A050036 A059582 A034809 this_sequence A067261 A001161 A099539

Adjacent sequences: A096805 A096806 A096807 this_sequence A096809 A096810 A096811

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Jul 21 2004

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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