OFFSET
1,1
REFERENCES
C. Ashbacher, "Some problems concerning the Smarandache deconstructive sequence", Journal of Recreational Mathematics, vol. 29(2), 82-84 (1998)
Russell Euler and Jawad Sadek, "Some divisibility patterns in the Smarandache deconstructive sequence", Journal of Recreational Mathematics, vol. 31(1), 12-14 (2002-2003)
EXAMPLE
The first number in the sequence is 9.
The second number in the sequence is 87.
The third number in the sequence is 654.
MATHEMATICA
With[{c=PadRight[{}, 250, Range[9, 0, -1]]}, Table[FromDigits[Take[c, {(n(n+1))/2+1, ((n+1)(n+2))/2}]], {n, 0, 20}]] (* Harvey P. Dale, Jan 17 2017 *)
CROSSREFS
KEYWORD
nonn,easy,base
AUTHOR
Parthasarathy Nambi, Jan 05 2005
EXTENSIONS
More terms from Robert G. Wilson v and Lior Manor, Jan 14 2005
STATUS
approved