A138044 Primes formed from the concatenation of primitive Pythagorean triples.

81517, 202129, 6091109, 19180181, 68285293, 92525533, 120391409, 145408433, 168775793, 205828853, 225272353, 261380461, 300589661, 5598401009, 6458121037, 7059921217, 7999601249, 8536123613, 19521082117, 22814351453

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 A361934

Adjacent sequences: A138041 A138042 A138043 * A138045 A138046 A138047

Keyword

nonn,base

Author

Lekraj Beedassy, Mar 02 2008

Status

approved