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A138044 Primes formed from the concatenation of primitive Pythagorean triples. 1
81517, 202129, 6091109, 19180181, 68285293, 92525533, 120391409, 145408433, 168775793, 205828853, 225272353, 261380461, 300589661, 5598401009, 6458121037, 7059921217, 7999601249, 8536123613, 19521082117, 22814351453 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..20.

FORMULA

Prime terms of A138043.

EXAMPLE

Entries 7999601249 and 8536123613,for instance,are primes obtained respectively from the primitive Pythagorean triples (799,960,1249,) and (85,3612,3613).

CROSSREFS

Sequence in context: A249231 A237934 A134122 * A098187 A146025 A283418

Adjacent sequences: A138041 A138042 A138043 * A138045 A138046 A138047

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, Mar 02 2008

STATUS

approved

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Last modified December 7 08:24 EST 2022. Contains 358649 sequences. (Running on oeis4.)