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A093922 Triangle read by rows: arrange primes in a triangle so that sum of every row is a triangular number. 3
3, 2, 13, 5, 7, 43, 11, 17, 19, 31, 23, 29, 37, 41, 101, 47, 53, 59, 61, 67, 241, 71, 73, 79, 83, 89, 97, 103, 107, 109, 113, 127, 131, 137, 139, 313, 149, 151, 157, 163, 167, 173, 179, 181, 571, 191, 193, 197, 199, 211, 223, 227, 229, 233, 443 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Rearrangement of primes such that the sum of the next n terms is a triangular number.

LINKS

Table of n, a(n) for n=1..55.

CROSSREFS

Cf. A093923, A093924, A093925.

Sequence in context: A125135 A055456 A198303 * A075555 A075556 A257568

Adjacent sequences:  A093919 A093920 A093921 * A093923 A093924 A093925

KEYWORD

nonn,tabl

AUTHOR

Amarnath Murthy, Apr 25 2004

EXTENSIONS

Corrected and extended by Matthew Howells (mathmatt(AT)gmail.com), Oct 01 2004

STATUS

approved

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Last modified August 7 12:19 EDT 2020. Contains 336276 sequences. (Running on oeis4.)