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A349972
a(n) = A349976(n, n-1) for n >= 1 and a(0) = 0.
2
0, 1, 2, 3, 2, 8, 10, 25, 49, 93, 187, 377, 747, 1472, 2975, 5911, 11880, 23734, 47474, 94885, 190623, 380805, 763402, 1528095, 3061916, 6125358, 12278446, 24564954, 49200792, 98478615, 197164774, 394536002, 789993459, 1580640910, 3163602123, 6330608624, 12668987317
OFFSET
0,3
LINKS
Fausto A. C. Cariboni, Table of n, a(n) for n = 0..47
PROG
(SageMath) # Uses function DistsetLength from A349976.
from collections import Counter
def A349972(n): return Counter([DistsetLength(s) for s in Subsets(n)])[n-1]
print([A349972(n) for n in range(10)])
CROSSREFS
Cf. A349976.
Sequence in context: A057761 A321477 A209998 * A163204 A364895 A299619
KEYWORD
nonn
AUTHOR
Peter Luschny, Dec 12 2021
STATUS
approved