39285

Appears in sequences

• Number of permutations of length n with spread 3.at n=5A004246
• Numerators of continued fraction convergents to sqrt(727).at n=5A042400
• Square of infinite lower triangular matrix A078122.at n=25A078123
• Numbers which are both lucky and pentagonal.at n=14A128511
• Pentagonal numbers > 0 which are not the difference of two other pentagonal numbers > 0.at n=16A135769
• Pentagonal numbers > 0 which are not the difference of two larger pentagonal numbers.at n=23A136113
• Triangle read by rows: T(n,k) (n >= 1, 0 <= k <= n-1) is the number of permutations of [0..(n-1)] of spread k.at n=39A147679
• Triangle read by rows: T(n,k) (n >= 1, 0 <= k <= n-1) is the number of permutations of [0..(n-1)] of spread k.at n=42A147679
• One-half of averages of twin prime pairs of A001318.at n=22A154565
• Number of n X 3 0..3 arrays with entries increasing mod 4 by 0, 1 or 2 rightwards and downwards, starting with upper left zero.at n=3A222439
• Number of n X 4 0..3 arrays with entries increasing mod 4 by 0, 1 or 2 rightwards and downwards, starting with upper left zero.at n=2A222440
• T(n,k) = number of n X k 0..3 arrays with entries increasing mod 4 by 0, 1 or 2 rightwards and downwards, starting with upper left zero.at n=17A222444
• T(n,k) = number of n X k 0..3 arrays with entries increasing mod 4 by 0, 1 or 2 rightwards and downwards, starting with upper left zero.at n=18A222444
• Pentagonal numbers that are also Niven numbers.at n=42A242043
• a(n) = A255304(2^n-1).at n=9A255442
• The sum of the numbers on straight lines of incrementing length n when drawn over numbers of the square spiral, where each line contains numbers which sum to the minimum possible value, and each number on the spiral can only be in one line. If two or more lines exist with the same sum the one containing the smallest number is chosen.at n=36A340974
• Number of compositions with alternating parts weakly decreasing (or weakly increasing).at n=27A342528