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A134728 as a simple table

na(n)
16
228496
38128335503368589869056
413743869132823058430081399521282658455991569831744654692615953842176191561942608236107294793378084303638130997321548169216

[6,28496,8128335503368589869056,
 13743869132823058430081399521282658455991569831744\
 65469261595384217619156194260823610729479337808430\
 3638130997321548169216]