login
A220503
spt(13n+6) where spt(n) = A092269(n).
3
26, 1820, 39546, 494702, 4474756, 32347380, 198063060, 1065041120, 5155845968, 22871059718, 94204920680, 363981624370, 1329826483453, 4624153352104, 15385030362884, 49194117590072, 151738308808580, 452922550115880, 1311857021146256
OFFSET
0,1
COMMENTS
a(n) is divisible by 13 (see A220513).
FORMULA
a(n) = A092269(A186113(n)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Jan 18 2013
STATUS
approved