A096808 - OEIS

A096808

Sum of squares of antidiagonals in table A096810.

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

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OFFSET

0,2

COMMENTS

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

LINKS

Table of n, a(n) for n=0..60.

FORMULA

a(n) mod 4 = A004526(n). [Corrected by Georg Fischer, Jan 25 2020]

CROSSREFS

Cf. A096810.

Sequence in context: A308578 A034809 A336900 * A067261 A001161 A099539

Adjacent sequences: A096805 A096806 A096807 * A096809 A096810 A096811

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jul 21 2004

STATUS

approved