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A100209 a(n) = A100208(n)^2 + A100208(n+1)^2. 3
5, 13, 73, 89, 41, 97, 181, 149, 193, 313, 569, 521, 157, 397, 557, 421, 709, 773, 613, 853, 1429, 1741, 1097, 881, 1201, 1801, 1901, 1117, 1597, 2677, 3121, 2689, 1873, 2153, 2393, 1753, 3229, 3461, 2897, 3617, 3797, 4517, 3697, 5521, 5669, 3469, 4729 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Pythagorean primes: A079260(a(n)) = 1, see A100210;

a(n) = A073658(n) + A073658(n+1).

LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000

CROSSREFS

Cf. A002144.

Sequence in context: A087506 A068487 A075063 * A139361 A115329 A272645

Adjacent sequences: A100206 A100207 A100208 * A100210 A100211 A100212

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Nov 08 2004

STATUS

approved

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Last modified December 6 11:44 EST 2022. Contains 358631 sequences. (Running on oeis4.)