# A087902 (b-file synthesized from sequence entry) 2 2 3 4 4 6 5 12 6 36 7 60 8 180 9 900 10 1260 11 6300 12 44100 13 69300 14 485100 15 5336100 16 6306300 17 69369300 18 901800900 19 1179278100 20 15330615300 21 260620460100 22 291281690700 23 4951788741900 24 94083986096100 25 113891141063700 26 2163931680210300