login

A251836 as a triangular array

678
33543354
181242755418124
9731626240426240497316
518514229877241820842298772518514
2764828203147746098236260982362203147742764828
147780681822413109093317501464435968909331750

A251836 as a square array

67833541812497316518514276482814778068
335427554262404229877220314774182241310
18124262404418208460982362909331750
973162298772609823621464435968
51851420314774909331750
2764828
67833541812497316518514276482814778068
335427554262404229877220314774182241310
18124262404418208460982362909331750
973162298772609823621464435968
51851420314774909331750
2764828