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A187869 a(n) is the concatenation of the numbers appearing in row n of the lexicographically earliest prime pyramid (A051237). 2
1, 12, 123, 1234, 14325, 143256, 1432567, 12347658, 123476589, 12347658910, 1234710985611, 123471098561112, 12347651211891013, 1234761310981112514, 123476131098111251415, 12347651211815149101316, 1234765121189101316151417, 123476589101316151417121118 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..18.

CROSSREFS

Cf. A051237.

Sequence in context: A262576 A262575 A187871 * A262574 A159901 A159900

Adjacent sequences:  A187866 A187867 A187868 * A187870 A187871 A187872

KEYWORD

base,nonn

AUTHOR

N. J. A. Sloane, Mar 14 2011

STATUS

approved

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Last modified October 24 06:43 EDT 2017. Contains 293836 sequences.