OFFSET
0,2
LINKS
Rui Duarte and António Guedes de Oliveira, A Famous Identity of Hajós in Terms of Sets, Journal of Integer Sequences, Vol. 17 (2014), Article 14.9.1.
FORMULA
EXAMPLE
Triangle:
1
2, 0
3, 4, 0
4, 16, 0, 0
5, 40, 16, 0, 0
6, 80, 96, 0, 0, 0
7, 140, 336, 64, 0, 0, 0
8, 224, 896, 512, 0, 0, 0, 0
9, 336, 2016, 2304, 256, 0, 0, 0, 0
10, 480, 4032, 7680, 2560, 0, 0, 0, 0, 0
11, 660, 7392, 21120, 14080, 1024, 0, 0, 0, 0, 0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Rui Duarte and António Guedes de Oliveira, Sep 11 2013
STATUS
approved