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A022478
Number of 2's in n-th term of A006711.
2
0, 0, 1, 1, 1, 1, 2, 4, 8, 6, 10, 9, 14, 16, 21, 28, 38, 45, 69, 86, 123, 157, 210, 280, 363, 480, 622, 818, 1104, 1453, 1940, 2567, 3421, 4534, 5996, 7992, 10590, 14005, 18596, 24707, 32784, 43361, 57566, 76449, 101457, 134506, 178495, 237051
OFFSET
1,7
CROSSREFS
KEYWORD
nonn,base
EXTENSIONS
More terms from Sean A. Irvine, May 15 2019
STATUS
approved