31897
domain: N
Appears in sequences
- Spt function: total number of smallest parts (counted with multiplicity) in all partitions of n.at n=30A092269
- a(n) = index of second occurrence of A161926(n) in A114381.at n=14A161927
- Fundamental discriminants of real quadratic number fields with class number 9.at n=36A218159
- Number of (n+2)X1 0..3 arrays with all rows having a nonnegative second derivative, and all and columns having a positive second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=5A223492
- T(n,k)=Number of (n+2)Xk 0..3 arrays with all rows having a nonnegative second derivative, and all and columns having a positive second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=20A223495
- T(n,k)=Number of nX(k+1) 0..3 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.at n=21A223751
- Number of 1X(n+1) 0..3 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.at n=6A223752
- a(n) = position of the first occurrence of n in A245714.at n=21A245723