30402

Appears in sequences

• a(0) = 1, a(n) = 19*n^2 + 2 for n>0.at n=40A010009
• Number of, not necessarily connected, regular simple graphs on n vertices with girth at least 7.at n=32A185317
• Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 2 X n array.at n=13A219940
• Number of partitions of n containing the number of distinct parts as a part.at n=44A239945
• Number of partitions p of n such that 2*(number of even numbers in p) <= (number of odd numbers in p).at n=46A241652
• a(n) = 3*2*1 + 6*5*4 + 9*8*7 + 12*11*10 + ... + (up to the n-th term).at n=25A319867