// output of ./demo/seq/A062200-demo.cc: // Description: //% OEIS sequence A062200: //% Compositions of n where adjacent parts have different parity. arg 1: 10 == n [compositions of n] default=10 1: 1 2 1 2 1 2 1 2: 1 2 1 6 3: 1 2 3 4 4: 1 2 5 2 5: 1 2 7 6: 1 4 1 4 7: 1 4 3 2 8: 1 4 5 9: 1 6 1 2 10: 1 6 3 11: 1 8 1 12: 2 1 2 1 4 13: 2 1 2 3 2 14: 2 1 2 5 15: 2 1 4 1 2 16: 2 1 4 3 17: 2 1 6 1 18: 2 3 2 1 2 19: 2 3 2 3 20: 2 3 4 1 21: 2 5 2 1 22: 3 2 1 4 23: 3 2 3 2 24: 3 2 5 25: 3 4 1 2 26: 3 4 3 27: 3 6 1 28: 4 1 2 1 2 29: 4 1 2 3 30: 4 1 4 1 31: 4 3 2 1 32: 5 2 1 2 33: 5 2 3 34: 5 4 1 35: 6 1 2 1 36: 7 2 1 37: 10 ct=37