A041456 - OEIS

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A041456 as a simple table

n	a(n)
0	15
1	16
2	31
3	47
4	78
5	125
6	328
7	453
8	2593
9	3046
10	5639
11	53797
12	59436
13	410413
14	469849
15	4639054
16	5108903
17	9747957
18	53848688
19	63596645
20	181041978
21	244638623
22	425680601
23	670319224
24	1095999825
25	1766319049

[15,16,31,47,78,125,328,453,2593,3046,5639,53797, 59436,410413,469849,4639054,5108903,9747957, 53848688,63596645,181041978,244638623,425680601, 670319224,1095999825,1766319049]