login

A212930 as a triangular array

1
31
10151
35568631
12639695182262551
46244318761417785551832010231
17167240823522312492187640419740151423081040951
643516305023650468264066143602858008246093761075113010175386357608

A212930 as a square array

13103512646217166435
115568396954431876724082352163050236504
16318226141778552312492187668264066143602
1255518320404197401585800824609376
11023142308101075113010175
14095386357608
1
13103512646217166435
115568396954431876724082352163050236504
16318226141778552312492187668264066143602
1255518320404197401585800824609376
11023142308101075113010175
14095386357608
1