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A011578 as a simple table

na(n)
11
2268435455
311438127792025
411998160744311570
51540200411172850701
649628317055962639176
7588469772213874823272
83224318613979279184316
99452962848327254398506
1016392038075086211019625

[1,268435455,11438127792025,11998160744311570,
 1540200411172850701,49628317055962639176,
 588469772213874823272,3224318613979279184316,
 9452962848327254398506,16392038075086211019625]