Number of step shifted (decimated) sequence structures using a maximum of three different symbols.

A056392

Number of step shifted (decimated) sequence structures using a maximum of three different symbols.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =10a(4) =14a(5) =70a(6) =68a(7) =332a(8) =577a(9) =2510a(10) =2980a(11) =23372a(12) =22218a(13) =133150a(14) =300964a(15) =909382a(16) =1345634a(17) =10767202a(18) =10762820a(19) =72957100a(20) =145362932a(21) =523029526a(22) =713213956a(23) =5893709440a(24) =7060765733a(25) =35303782550

External references