; A099360: a(n) = (2^n + 1)^4 - 2.
; 14,79,623,6559,83519,1185919,17850623,276922879,4362470399,69257922559,1103812890623,17626570956799,281749955297279,4505799053311999,72075187834650623,1153062248537784319,18447869999386460159

seq $0,51 ; a(n) = 2^n + 1.
pow $0,4
sub $0,2
