login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A275170 as a simple table

na(n)
1369
21649
33268
43924
56550
612810
714472
825268
927160
1032650
1138050
1265500
1372712
14100905
15144138
16146016
17146100
18164200
19173070
20210811
21236100
22344200
23655000
241352045
251461000
261642000
271722240
282361000
292701540
303442000
314008960
326161465
336550000
3414610000

[369,1649,3268,3924,6550,12810,14472,25268,27160,
 32650,38050,65500,72712,100905,144138,146016,
 146100,164200,173070,210811,236100,344200,655000,
 1352045,1461000,1642000,1722240,2361000,2701540,
 3442000,4008960,6161465,6550000,14610000]