// output of ./demo/seq/A005943-demo.cc: // Description: //% OEIS sequence A005943: //% Length-n subwords of the Golay-Rudin-Shapiro (GRS) sequence. arg 1: 7 == b [Words with b bits.] default=7 arg 2: 20 == n [Use GRS sequence of length 2^n.] default=20 1: ....1.. 2: ....111 3: ...1... 4: ...1..1 5: ...1.11 6: ...111. 7: ..1.... 8: ..1..1. 9: ..1.111 10: ..111.1 11: .1....1 12: .1...1. 13: .1...11 14: .1..1.. 15: .1..1.1 16: .1.111. 17: .11.1.. 18: .11.111 19: .111... 20: .111.1. 21: .111.11 22: .1111.. 23: .1111.1 24: 1....1. 25: 1....11 26: 1...1.. 27: 1...1.1 28: 1...111 29: 1..1... 30: 1..1.11 31: 1.1...1 32: 1.11.1. 33: 1.11.11 34: 1.111.. 35: 1.111.1 36: 1.1111. 37: 11...1. 38: 11.1... 39: 11.11.1 40: 11.1111 41: 111...1 42: 111.1.. 43: 111.11. 44: 111.111 45: 1111... 46: 1111.11 ct= 46