312974

Appears in sequences

• a(n) = T(n,n-3), array T as in A038738.at n=10A038740
• a(n) = the number of occurrences of 1 in all compositions of n without 2's = # of occurrences of the integer k in compositions of n+k-1 without 2's (k > 2).at n=20A079662