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A033488 as a simple table

na(n)
00
14
220
360
4140
5280
6504
7840
81320
91980
102860
114004
125460
137280
149520
1512240
1615504
1719380
1823940
1929260
2035420
2142504
2250600
2359800
2470200
2581900
2695004
27109620
28125860
29143840
30163680
31185504
32209440

[0,4,20,60,140,280,504,840,1320,1980,2860,4004,
 5460,7280,9520,12240,15504,19380,23940,29260,
 35420,42504,50600,59800,70200,81900,95004,109620,
 125860,143840,163680,185504,209440]