OFFSET
0,5
EXAMPLE
[0] 1;
[1] 1, 1;
[2] 1, 3, 11;
[3] 1, 6, 35, 225;
[4] 1, 10, 85, 735, 6769;
[5] 1, 15, 175, 1960, 22449, 269325;
[6] 1, 21, 322, 4536, 63273, 902055, 13339535;
[7] 1, 28, 546, 9450, 157773, 2637558, 44990231, 790943153;
[8] 1, 36, 870, 18150, 357423, 6926634, 135036473, 2681453775, 54631129553;
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Peter Luschny, Jun 15 2022
STATUS
approved