1到49中可以作为组码的数字组合有以下几种：
单个数字：
1, 2, 3, ..., 49
两个数字的组合：
12, 13, ..., 49；12, 14, ..., 48；...；12, 49；13, 14, ..., 49；...；13, 49；...；49, 12, ..., 48；...；49, 13, ..., 48；...；49, 49
三个数字的组合：
123, 124, ..., 493；123, 125, ..., 492；...；123, 492；124, 125, ..., 491；...；124, 491；...；125, 126, ..., 490；...；125, 490；...；49, 123, ..., 482；...；49, 124, ..., 481；...；49, 125, ..., 480；...；49, 481, ..., 480；...；49, 490, ..., 480
四个数字的组合：
1234, 1235, ..., 4939；1234, 1236, ..., 4938；...；1234, 4938；1235, 1236, ..., 4937；...；1235, 4937；...；1236, 1237, ..., 4936；...；1236, 4936；...；1237, 1238, ..., 4935；...；1237, 4935；...；1238, 1239, ..., 4934；...；1238, 4934；...；1239, 1240, ..., 4933；...；1239, 4933；...；1240, 1241, ..., 4932；...；1240, 4932；...；1241, 1242, ..., 4931；...；1241, 4931；...；1242, 1243, ..., 4930；...；1242, 4930；...；1243, 1244, ..., 4929；...；1243, 4929；...；1244, 1245, ..., 4928；...；1244, 4928；...；1245, 1246, ..., 4927；...；1245, 4927；...；1246, 1247, ..., 4926；...；1246, 4926；...；1247, 1248, ..., 4925；...；1247, 4925；...；1248, 1249, ..., 4924；...；1248, 4924；...；1249, 1250, ..., 4923；...；1249, 4923；...；1250, 1251, ..., 4922；...；1250, 4922；...；1251, 1252, ..., 4921；...；1251, 4921；...；1252, 1253, ..., 4920；...；1252, 4920；...；1253, 1254, ..., 4919；...；1253, 4919；...；1254, 1255, ..., 4918；...；125