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A104432
Number of ways to split 1, 2, 3, ..., 6n into n arithmetic progressions each with 6 terms.
4
1, 1, 2, 4, 10, 20, 57, 119, 329, 760, 1942, 4452, 13574, 30665, 80117, 194856, 540694
OFFSET
0,3
CROSSREFS
KEYWORD
nonn
AUTHOR
Jonas Wallgren, Mar 17 2005
EXTENSIONS
a(0), a(11)-a(16) from Alois P. Heinz, Nov 18 2020
STATUS
approved