Linear OA(7⁴¹, 444, F₇, 14) (dual of [444, 403, 15]-code), using 402 step VarÅ¡amov–Edel lengthening with (r_i) = (3, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 5 times 0, 1, 5 times 0, 1, 7 times 0, 1, 8 times 0, 1, 10 times 0, 1, 11 times 0, 1, 14 times 0, 1, 16 times 0, 1, 20 times 0, 1, 23 times 0, 1, 26 times 0, 1, 32 times 0, 1, 36 times 0, 1, 43 times 0, 1, 51 times 0, 1, 59 times 0) based on linear OA(7¹⁴, 15, F₇, 14) (dual of [15, 1, 15]-code or 15-arc in PG(13,7)), using

• dual of repetition code with length 15 [i]