OFFSET
0,3
COMMENTS
An infinite square array,
a11 a12 a13 ...
a21 a22 a23 ...
a31 a32 a33 ...
a41 a42 a43 ...
...............
is built up by antidiagonals: a11 a21 a12 a31 a22 a13 ... The terms of the sequence record the number of entries in each column at each step, e.g. when dealing cards in a game of solitaire.
CROSSREFS
KEYWORD
nonn,easy,nice
AUTHOR
Allan C. Wechsler, Jun 07 2002
EXTENSIONS
Entry revised by Jeremy Gardiner, Dec 08, 2004
STATUS
approved