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A227393
a(n) = concatenation of first 3n terms of A033627.
0
1, 124, 12471013, 12471013161922, 12471013161922252831, 124710131619222252831343740, 124710131619222252831343740434649, 124710131619222252831343740434649525558
OFFSET
1,2
COMMENTS
All entries are == 1 (mod 3). V. T. Jayabalaji, Jul 13 2013
EXAMPLE
124 is the concatenation of 1,2 and 4.
12471013 is the concatenation of 1, 2, 4, 7 10 and 13.
CROSSREFS
Sequence in context: A146546 A146553 A009805 * A005080 A174733 A100579
KEYWORD
nonn,less,base
AUTHOR
V. T. Jayabalaji, Jul 15 2013
EXTENSIONS
Edited by N. J. A. Sloane, Jul 16 2013
STATUS
approved