Number of 7-element subsets that can be chosen from {1,2,...,14*n+7} having element sum 49*n+28.

A204471

Number of 7-element subsets that can be chosen from {1,2,...,14*n+7} having element sum 49*n+28.

Terms

    a(0) =1a(1) =3370a(2) =108108a(3) =957332a(4) =4721127a(5) =16627422a(6) =47043624a(7) =114106128a(8) =246902225a(9) =489197948a(10) =903720482a(11) =1576984058a(12) =2624673317a(13) =4197566692a(14) =6488021194a(15) =9736993054a(16) =14241624013a(17) =20363359008a(18) =28536634496a(19) =39278092476a(20) =53196371385a(21) =71002416300a(22) =93520372350a(23) =121698990952

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