OFFSET
0,2
LINKS
FORMULA
a(n) = 4*A220525(n).
EXAMPLE
When written as an irregular triangle begins:
0;
4;
8;
16,16;
16,32,44,32;
16,32,64,96,64,80,100,64;
16,32,64,96,128,144,168,176,80,96,176,256,160,176,212,128;
16,32,64,96,128,144,176,208,168,192,256,400,320,336,364,336,112,96,192,288,368,416,496,528,216,224,400,576,352,368, 436,256;
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Omar E. Pol, Mar 23 2013
STATUS
approved