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A105302 Primes formed by reverse concatenation of 6 consecutive triangular numbers. 0
665545362821, 496465435406378351, 946903861820780741, 112810811035990946903, 195318911830177017111653, 382837413655357034863403, 133661320313041128801272012561 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

a(1)=665545362821 because 665545362821 is the prime formed by reverse concatenation of 6 consecutive triangular numbers i.e. 21,28,36,45,55 and 66.

CROSSREFS

Sequence in context: A082411 A113952 A104303 * A015421 A180612 A092382

Adjacent sequences:  A105299 A105300 A105301 * A105303 A105304 A105305

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Apr 25 2005

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Last modified February 18 00:14 EST 2012. Contains 206085 sequences.