function goToSheet2b() {
  // 1 = row 1, 1 = column 1 = N
    goToSheet("25", 1, 1);
}

function goToSheet(sheetName, row, col) {
  var sheet = SpreadsheetApp.getActive().getSheetByName(sheetName);
  SpreadsheetApp.setActiveSheet(sheet);
  var range = sheet.getRange(row, col)
  SpreadsheetApp.setActiveRange(range);
}