47475

Appears in sequences

• Numbers k such that k^2 is composed of three 1-digit-overlapping subsquares.at n=14A048426
• 5-digit terms in the continued fraction for Pi.at n=11A048960
• Matrix inverse of A008459 (squares of entries of Pascal's triangle).at n=23A055133
• Number of (1,1) steps starting at level zero in all peakless Motzkin paths of length n+3.at n=12A089737
• Triangle read by rows: T(n,k) (0 <= k <= ceiling(n/2)-2) is the number of (1,1) steps starting at level k in all peakless Motzkin paths of length n (can be easily translated into RNA secondary structure terminology).at n=42A110238
• Partial sums of A100119. Sum of first n of the n-th centered n-gonal numbers.at n=24A130218
• a(n) = n^2 - n^3 + n^4.at n=15A309372