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A248555
a(n) is the concatenation of 3n-2, 3n and 3n-1.
1
132, 465, 798, 101211, 131514, 161817, 192120, 222423, 252726, 283029, 313332, 343635, 373938, 404241, 434544, 464847, 495150, 525453, 555756, 586059, 616362, 646665, 676968, 707271, 737574, 767877, 798180, 828483, 858786, 889089, 919392
OFFSET
1,1
LINKS
MAPLE
read("transforms") ;
A248555 := proc(n)
digcatL([3*n-2, 3*n, 3*n-1]) ;
end proc:
seq(A248555(n), n=1..70) ; # R. J. Mathar, Jan 22 2015
MATHEMATICA
FromDigits[Flatten[IntegerDigits/@{#-2, #, #-1}]]&/@(3*Range[40]) (* Harvey P. Dale, Jul 01 2021 *)
CROSSREFS
Sequence in context: A278128 A064059 A244103 * A253502 A257105 A204834
KEYWORD
nonn,base,less
AUTHOR
Charles Duvall, Oct 08 2014
STATUS
approved