"Heptagonal number"@cs . "16228901"^^ . "510145118"^^ . . . "sedmi\u00FAheln\u00EDkov\u00E9"@cs . . "912713"^^ . . "sedmi\u00FAheln\u00EDkov\u00E9 \u010D\u00EDslo"@cs . "1870"^^ . . . . . . . . . "en"@cs . . . . . . . . . . "Sedmi\u00FAheln\u00EDkov\u00E9 \u010D\u00EDslo"@cs . . "Sedmi\u00FAheln\u00EDkov\u00E9 \u010D\u00EDslo"@cs . . . . . . . . . . . . . . . . "31"^^ . . .