74039167domain: NPropertiesPrimalityPrimeyesAppears in sequencesSum of first row of the 5 X 5 matrix M^n, where M = {{5,-1,0,0,0}, {-1,5,-1,0,0}, {0,-1,5,-1,0}, {0,0,-1,5,-1}, {0,0,0,-1,5}}.at n=11A123952Prime numbersat n=4341394